KDP Formatting
Spine width for a 100-page 5.06×7.81 inch KDP paperback
Exact spine width for a 100-page 5.06×7.81 inch KDP paperback — 0.225 in on white paper, 0.250 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
Guides
Expert articles on KDP formatting, self-publishing, and book design for UK authors.
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Interactive Tools & Calculators
10 free tools for KDP authors
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Common KDP Rejection Reasons and Fixes — Interactive Troubleshooting Tool
Interactive troubleshooting tool for Amazon KDP rejections. Select your rejection reason and get step-by-step fix instructions. Covers the top 15 rejection reasons.
Use tool →📱
EPUB vs MOBI: What to Upload to KDP in 2026
Interactive comparison of EPUB vs MOBI for Amazon KDP in 2026. Amazon deprecated MOBI in 2022 — find out which format to use with our decision tree and feature comparison.
Use tool →🎨
KDP Cover Formatting Guide — Interactive Cover Template Calculator
Interactive KDP cover template calculator. Enter trim size, page count, and paper type to get exact cover dimensions with spine width, bleed, and safe zones. Includes visual diagram.
Use tool →✅
KDP Formatting Checklist — Interactive Pre-Upload Checklist
Interactive KDP formatting checklist you can tick off as you go. Covers interior formatting, cover setup, metadata, and upload steps. Download as PDF when complete.
Use tool →🧮
KDP Margin Calculator — Get Exact Gutter Margins for Your Page Count
Calculate the exact gutter and outside margins required for your Amazon KDP paperback based on page count and trim size. Uses Amazon's official margin table.
Use tool →💷
KDP Royalty Calculator — Calculate Your Actual Earnings Per Sale
Calculate your exact Amazon KDP royalty per sale. Input list price, marketplace, page count, and ink type to see actual earnings for both paperback and Kindle eBook.
Use tool →📏
KDP Spine Width Calculator — Calculate Exact Spine Measurement
Calculate the exact spine width for your KDP paperback. Enter page count and paper type to get precise spine measurements for your book cover design.
Use tool →📐
KDP Trim Size Guide — Find the Perfect Size for Your Book
Interactive guide to all Amazon KDP trim sizes. Find which trim size suits your genre with UK-specific examples, bleed options, and a filterable comparison table.
Use tool →📄
White Paper vs Cream Paper for KDP — Visual Comparison Tool
Interactive visual comparison of white and cream paper for Amazon KDP paperbacks. See how text looks on each, compare costs, and find which suits your genre.
Use tool →📝
Word to KDP: Step-by-Step Formatting Guide
Comprehensive interactive guide to formatting a Microsoft Word document for Amazon KDP paperback upload. Covers margins, fonts, headers, page breaks, TOC, and export.
Use tool →KDP Formatting
154 articles
KDP Formatting
Spine width for a 100-page 5.25×8 inch KDP paperback
Exact spine width for a 100-page 5.25×8 inch KDP paperback — 0.225 in on white paper, 0.250 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
KDP Formatting
Spine width for a 100-page 5.5×8.5 inch KDP paperback
Exact spine width for a 100-page 5.5×8.5 inch KDP paperback — 0.225 in on white paper, 0.250 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
KDP Formatting
Spine width for a 100-page 5×8 inch KDP paperback
Exact spine width for a 100-page 5×8 inch KDP paperback — 0.225 in on white paper, 0.250 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
KDP Formatting
Spine width for a 100-page 6.14×9.21 inch KDP paperback
Exact spine width for a 100-page 6.14×9.21 inch KDP paperback — 0.225 in on white paper, 0.250 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
KDP Formatting
Spine width for a 100-page 6.69×9.61 inch KDP paperback
Exact spine width for a 100-page 6.69×9.61 inch KDP paperback — 0.225 in on white paper, 0.250 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
KDP Formatting
Spine width for a 100-page 6×9 inch KDP paperback
Exact spine width for a 100-page 6×9 inch KDP paperback — 0.225 in on white paper, 0.250 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
KDP Formatting
Spine width for a 100-page 7.5×9.25 inch KDP paperback
Exact spine width for a 100-page 7.5×9.25 inch KDP paperback — 0.225 in on white paper, 0.250 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
KDP Formatting
Spine width for a 100-page 7×10 inch KDP paperback
Exact spine width for a 100-page 7×10 inch KDP paperback — 0.225 in on white paper, 0.250 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
KDP Formatting
Spine width for a 100-page 8.5×11 inch KDP paperback
Exact spine width for a 100-page 8.5×11 inch KDP paperback — 0.225 in on white paper, 0.250 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
KDP Formatting
Spine width for a 100-page 8.5×8.5 inch KDP paperback
Exact spine width for a 100-page 8.5×8.5 inch KDP paperback — 0.225 in on white paper, 0.250 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
KDP Formatting
Spine width for a 100-page 8×10 inch KDP paperback
Exact spine width for a 100-page 8×10 inch KDP paperback — 0.225 in on white paper, 0.250 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
KDP Formatting
Spine width for a 150-page 5.06×7.81 inch KDP paperback
Exact spine width for a 150-page 5.06×7.81 inch KDP paperback — 0.338 in on white paper, 0.375 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
KDP Formatting
Spine width for a 150-page 5.25×8 inch KDP paperback
Exact spine width for a 150-page 5.25×8 inch KDP paperback — 0.338 in on white paper, 0.375 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
KDP Formatting
Spine width for a 150-page 5.5×8.5 inch KDP paperback
Exact spine width for a 150-page 5.5×8.5 inch KDP paperback — 0.338 in on white paper, 0.375 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
KDP Formatting
Spine width for a 150-page 5×8 inch KDP paperback
Exact spine width for a 150-page 5×8 inch KDP paperback — 0.338 in on white paper, 0.375 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
KDP Formatting
Spine width for a 150-page 6.14×9.21 inch KDP paperback
Exact spine width for a 150-page 6.14×9.21 inch KDP paperback — 0.338 in on white paper, 0.375 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
KDP Formatting
Spine width for a 150-page 6.69×9.61 inch KDP paperback
Exact spine width for a 150-page 6.69×9.61 inch KDP paperback — 0.338 in on white paper, 0.375 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
KDP Formatting
Spine width for a 150-page 6×9 inch KDP paperback
Exact spine width for a 150-page 6×9 inch KDP paperback — 0.338 in on white paper, 0.375 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
KDP Formatting
Spine width for a 150-page 7.5×9.25 inch KDP paperback
Exact spine width for a 150-page 7.5×9.25 inch KDP paperback — 0.338 in on white paper, 0.375 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
KDP Formatting
Spine width for a 150-page 7×10 inch KDP paperback
Exact spine width for a 150-page 7×10 inch KDP paperback — 0.338 in on white paper, 0.375 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
KDP Formatting
Spine width for a 150-page 8.5×11 inch KDP paperback
Exact spine width for a 150-page 8.5×11 inch KDP paperback — 0.338 in on white paper, 0.375 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
KDP Formatting
Spine width for a 150-page 8.5×8.5 inch KDP paperback
Exact spine width for a 150-page 8.5×8.5 inch KDP paperback — 0.338 in on white paper, 0.375 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
KDP Formatting
Spine width for a 150-page 8×10 inch KDP paperback
Exact spine width for a 150-page 8×10 inch KDP paperback — 0.338 in on white paper, 0.375 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
KDP Formatting
Spine width for a 200-page 5.06×7.81 inch KDP paperback
Exact spine width for a 200-page 5.06×7.81 inch KDP paperback — 0.450 in on white paper, 0.500 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
KDP Formatting
Spine width for a 200-page 5.25×8 inch KDP paperback
Exact spine width for a 200-page 5.25×8 inch KDP paperback — 0.450 in on white paper, 0.500 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
KDP Formatting
Spine width for a 200-page 5.5×8.5 inch KDP paperback
Exact spine width for a 200-page 5.5×8.5 inch KDP paperback — 0.450 in on white paper, 0.500 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
KDP Formatting
Spine width for a 200-page 5×8 inch KDP paperback
Exact spine width for a 200-page 5×8 inch KDP paperback — 0.450 in on white paper, 0.500 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
KDP Formatting
Spine width for a 200-page 6.14×9.21 inch KDP paperback
Exact spine width for a 200-page 6.14×9.21 inch KDP paperback — 0.450 in on white paper, 0.500 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
KDP Formatting
Spine width for a 200-page 6.69×9.61 inch KDP paperback
Exact spine width for a 200-page 6.69×9.61 inch KDP paperback — 0.450 in on white paper, 0.500 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
KDP Formatting
Spine width for a 200-page 6×9 inch KDP paperback
Exact spine width for a 200-page 6×9 inch KDP paperback — 0.450 in on white paper, 0.500 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
KDP Formatting
Spine width for a 200-page 7.5×9.25 inch KDP paperback
Exact spine width for a 200-page 7.5×9.25 inch KDP paperback — 0.450 in on white paper, 0.500 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
KDP Formatting
Spine width for a 200-page 7×10 inch KDP paperback
Exact spine width for a 200-page 7×10 inch KDP paperback — 0.450 in on white paper, 0.500 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
KDP Formatting
Spine width for a 200-page 8.5×11 inch KDP paperback
Exact spine width for a 200-page 8.5×11 inch KDP paperback — 0.450 in on white paper, 0.500 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
KDP Formatting
Spine width for a 200-page 8.5×8.5 inch KDP paperback
Exact spine width for a 200-page 8.5×8.5 inch KDP paperback — 0.450 in on white paper, 0.500 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
KDP Formatting
Spine width for a 200-page 8×10 inch KDP paperback
Exact spine width for a 200-page 8×10 inch KDP paperback — 0.450 in on white paper, 0.500 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
KDP Formatting
Spine width for a 250-page 5.06×7.81 inch KDP paperback
Exact spine width for a 250-page 5.06×7.81 inch KDP paperback — 0.563 in on white paper, 0.625 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
KDP Formatting
Spine width for a 250-page 5.25×8 inch KDP paperback
Exact spine width for a 250-page 5.25×8 inch KDP paperback — 0.563 in on white paper, 0.625 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
KDP Formatting
Spine width for a 250-page 5.5×8.5 inch KDP paperback
Exact spine width for a 250-page 5.5×8.5 inch KDP paperback — 0.563 in on white paper, 0.625 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
KDP Formatting
Spine width for a 250-page 5×8 inch KDP paperback
Exact spine width for a 250-page 5×8 inch KDP paperback — 0.563 in on white paper, 0.625 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
KDP Formatting
Spine width for a 250-page 6.14×9.21 inch KDP paperback
Exact spine width for a 250-page 6.14×9.21 inch KDP paperback — 0.563 in on white paper, 0.625 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
KDP Formatting
Spine width for a 250-page 6.69×9.61 inch KDP paperback
Exact spine width for a 250-page 6.69×9.61 inch KDP paperback — 0.563 in on white paper, 0.625 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
KDP Formatting
Spine width for a 250-page 6×9 inch KDP paperback
Exact spine width for a 250-page 6×9 inch KDP paperback — 0.563 in on white paper, 0.625 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
KDP Formatting
Spine width for a 250-page 7.5×9.25 inch KDP paperback
Exact spine width for a 250-page 7.5×9.25 inch KDP paperback — 0.563 in on white paper, 0.625 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
KDP Formatting
Spine width for a 250-page 7×10 inch KDP paperback
Exact spine width for a 250-page 7×10 inch KDP paperback — 0.563 in on white paper, 0.625 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
KDP Formatting
Spine width for a 250-page 8.5×11 inch KDP paperback
Exact spine width for a 250-page 8.5×11 inch KDP paperback — 0.563 in on white paper, 0.625 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
KDP Formatting
Spine width for a 250-page 8.5×8.5 inch KDP paperback
Exact spine width for a 250-page 8.5×8.5 inch KDP paperback — 0.563 in on white paper, 0.625 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
KDP Formatting
Spine width for a 250-page 8×10 inch KDP paperback
Exact spine width for a 250-page 8×10 inch KDP paperback — 0.563 in on white paper, 0.625 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
KDP Formatting
Spine width for a 300-page 5.06×7.81 inch KDP paperback
Exact spine width for a 300-page 5.06×7.81 inch KDP paperback — 0.676 in on white paper, 0.750 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
KDP Formatting
Spine width for a 300-page 5.25×8 inch KDP paperback
Exact spine width for a 300-page 5.25×8 inch KDP paperback — 0.676 in on white paper, 0.750 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
KDP Formatting
Spine width for a 300-page 5.5×8.5 inch KDP paperback
Exact spine width for a 300-page 5.5×8.5 inch KDP paperback — 0.676 in on white paper, 0.750 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
KDP Formatting
Spine width for a 300-page 5×8 inch KDP paperback
Exact spine width for a 300-page 5×8 inch KDP paperback — 0.676 in on white paper, 0.750 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
KDP Formatting
Spine width for a 300-page 6.14×9.21 inch KDP paperback
Exact spine width for a 300-page 6.14×9.21 inch KDP paperback — 0.676 in on white paper, 0.750 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
KDP Formatting
Spine width for a 300-page 6.69×9.61 inch KDP paperback
Exact spine width for a 300-page 6.69×9.61 inch KDP paperback — 0.676 in on white paper, 0.750 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
KDP Formatting
Spine width for a 300-page 6×9 inch KDP paperback
Exact spine width for a 300-page 6×9 inch KDP paperback — 0.676 in on white paper, 0.750 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
KDP Formatting
Spine width for a 300-page 7.5×9.25 inch KDP paperback
Exact spine width for a 300-page 7.5×9.25 inch KDP paperback — 0.676 in on white paper, 0.750 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
KDP Formatting
Spine width for a 300-page 7×10 inch KDP paperback
Exact spine width for a 300-page 7×10 inch KDP paperback — 0.676 in on white paper, 0.750 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
KDP Formatting
Spine width for a 300-page 8.5×11 inch KDP paperback
Exact spine width for a 300-page 8.5×11 inch KDP paperback — 0.676 in on white paper, 0.750 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
KDP Formatting
Spine width for a 300-page 8.5×8.5 inch KDP paperback
Exact spine width for a 300-page 8.5×8.5 inch KDP paperback — 0.676 in on white paper, 0.750 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
KDP Formatting
Spine width for a 300-page 8×10 inch KDP paperback
Exact spine width for a 300-page 8×10 inch KDP paperback — 0.676 in on white paper, 0.750 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
KDP Formatting
Spine width for a 400-page 5.06×7.81 inch KDP paperback
Exact spine width for a 400-page 5.06×7.81 inch KDP paperback — 0.901 in on white paper, 1.000 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
KDP Formatting
Spine width for a 400-page 5.25×8 inch KDP paperback
Exact spine width for a 400-page 5.25×8 inch KDP paperback — 0.901 in on white paper, 1.000 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
KDP Formatting
Spine width for a 400-page 5.5×8.5 inch KDP paperback
Exact spine width for a 400-page 5.5×8.5 inch KDP paperback — 0.901 in on white paper, 1.000 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
KDP Formatting
Spine width for a 400-page 5×8 inch KDP paperback
Exact spine width for a 400-page 5×8 inch KDP paperback — 0.901 in on white paper, 1.000 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
KDP Formatting
Spine width for a 400-page 6.14×9.21 inch KDP paperback
Exact spine width for a 400-page 6.14×9.21 inch KDP paperback — 0.901 in on white paper, 1.000 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
KDP Formatting
Spine width for a 400-page 6.69×9.61 inch KDP paperback
Exact spine width for a 400-page 6.69×9.61 inch KDP paperback — 0.901 in on white paper, 1.000 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
KDP Formatting
Spine width for a 400-page 6×9 inch KDP paperback
Exact spine width for a 400-page 6×9 inch KDP paperback — 0.901 in on white paper, 1.000 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
KDP Formatting
Spine width for a 400-page 7.5×9.25 inch KDP paperback
Exact spine width for a 400-page 7.5×9.25 inch KDP paperback — 0.901 in on white paper, 1.000 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
KDP Formatting
Spine width for a 400-page 7×10 inch KDP paperback
Exact spine width for a 400-page 7×10 inch KDP paperback — 0.901 in on white paper, 1.000 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
KDP Formatting
Spine width for a 400-page 8.5×11 inch KDP paperback
Exact spine width for a 400-page 8.5×11 inch KDP paperback — 0.901 in on white paper, 1.000 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
KDP Formatting
Spine width for a 400-page 8.5×8.5 inch KDP paperback
Exact spine width for a 400-page 8.5×8.5 inch KDP paperback — 0.901 in on white paper, 1.000 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
KDP Formatting
Spine width for a 400-page 8×10 inch KDP paperback
Exact spine width for a 400-page 8×10 inch KDP paperback — 0.901 in on white paper, 1.000 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
KDP Formatting
Spine width for a 50-page 5.06×7.81 inch KDP paperback
Exact spine width for a 50-page 5.06×7.81 inch KDP paperback — 0.113 in on white paper, 0.125 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
KDP Formatting
Spine width for a 50-page 5.25×8 inch KDP paperback
Exact spine width for a 50-page 5.25×8 inch KDP paperback — 0.113 in on white paper, 0.125 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
KDP Formatting
Spine width for a 50-page 5.5×8.5 inch KDP paperback
Exact spine width for a 50-page 5.5×8.5 inch KDP paperback — 0.113 in on white paper, 0.125 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
KDP Formatting
Spine width for a 50-page 5×8 inch KDP paperback
Exact spine width for a 50-page 5×8 inch KDP paperback — 0.113 in on white paper, 0.125 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
KDP Formatting
Spine width for a 50-page 6.14×9.21 inch KDP paperback
Exact spine width for a 50-page 6.14×9.21 inch KDP paperback — 0.113 in on white paper, 0.125 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
KDP Formatting
Spine width for a 50-page 6.69×9.61 inch KDP paperback
Exact spine width for a 50-page 6.69×9.61 inch KDP paperback — 0.113 in on white paper, 0.125 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
KDP Formatting
Spine width for a 50-page 6×9 inch KDP paperback
Exact spine width for a 50-page 6×9 inch KDP paperback — 0.113 in on white paper, 0.125 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
KDP Formatting
Spine width for a 50-page 7.5×9.25 inch KDP paperback
Exact spine width for a 50-page 7.5×9.25 inch KDP paperback — 0.113 in on white paper, 0.125 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
KDP Formatting
Spine width for a 50-page 7×10 inch KDP paperback
Exact spine width for a 50-page 7×10 inch KDP paperback — 0.113 in on white paper, 0.125 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
KDP Formatting
Spine width for a 50-page 8.5×11 inch KDP paperback
Exact spine width for a 50-page 8.5×11 inch KDP paperback — 0.113 in on white paper, 0.125 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
KDP Formatting
Spine width for a 50-page 8.5×8.5 inch KDP paperback
Exact spine width for a 50-page 8.5×8.5 inch KDP paperback — 0.113 in on white paper, 0.125 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
KDP Formatting
Spine width for a 50-page 8×10 inch KDP paperback
Exact spine width for a 50-page 8×10 inch KDP paperback — 0.113 in on white paper, 0.125 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
KDP Formatting
Spine width for a 500-page 5.06×7.81 inch KDP paperback
Exact spine width for a 500-page 5.06×7.81 inch KDP paperback — 1.126 in on white paper, 1.250 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
KDP Formatting
Spine width for a 500-page 5.25×8 inch KDP paperback
Exact spine width for a 500-page 5.25×8 inch KDP paperback — 1.126 in on white paper, 1.250 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
KDP Formatting
Spine width for a 500-page 5.5×8.5 inch KDP paperback
Exact spine width for a 500-page 5.5×8.5 inch KDP paperback — 1.126 in on white paper, 1.250 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
KDP Formatting
Spine width for a 500-page 5×8 inch KDP paperback
Exact spine width for a 500-page 5×8 inch KDP paperback — 1.126 in on white paper, 1.250 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
KDP Formatting
Spine width for a 500-page 6.14×9.21 inch KDP paperback
Exact spine width for a 500-page 6.14×9.21 inch KDP paperback — 1.126 in on white paper, 1.250 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
KDP Formatting
Spine width for a 500-page 6.69×9.61 inch KDP paperback
Exact spine width for a 500-page 6.69×9.61 inch KDP paperback — 1.126 in on white paper, 1.250 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
KDP Formatting
Spine width for a 500-page 6×9 inch KDP paperback
Exact spine width for a 500-page 6×9 inch KDP paperback — 1.126 in on white paper, 1.250 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
KDP Formatting
Spine width for a 500-page 7.5×9.25 inch KDP paperback
Exact spine width for a 500-page 7.5×9.25 inch KDP paperback — 1.126 in on white paper, 1.250 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
KDP Formatting
Spine width for a 500-page 7×10 inch KDP paperback
Exact spine width for a 500-page 7×10 inch KDP paperback — 1.126 in on white paper, 1.250 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
KDP Formatting
Spine width for a 500-page 8.5×11 inch KDP paperback
Exact spine width for a 500-page 8.5×11 inch KDP paperback — 1.126 in on white paper, 1.250 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
KDP Formatting
Spine width for a 500-page 8.5×8.5 inch KDP paperback
Exact spine width for a 500-page 8.5×8.5 inch KDP paperback — 1.126 in on white paper, 1.250 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
KDP Formatting
Spine width for a 500-page 8×10 inch KDP paperback
Exact spine width for a 500-page 8×10 inch KDP paperback — 1.126 in on white paper, 1.250 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
KDP Formatting
Biography KDP Formatting: UK Author's Guide
How to format a biography book for Amazon KDP — trim, paper, fonts, page-count band, spine width, and the biography-specific pitfall every author should plan for.
KDP Formatting
Business Book KDP Formatting: UK Author's Guide
How to format a business book for Amazon KDP — trim, paper, fonts, page-count band, spine width, and the business-specific pitfall every author should plan for.
KDP Formatting
Children's Chapter Book KDP Formatting: UK Author's Guide
How to format a children's chapter book book for Amazon KDP — trim, paper, fonts, page-count band, spine width, and the children's chapter book-specific pitfall every author should plan for.
KDP Formatting
Cookbook KDP Formatting: UK Author's Guide
How to format a cookbook book for Amazon KDP — trim, paper, fonts, page-count band, spine width, and the cookbook-specific pitfall every author should plan for.
KDP Formatting
Fantasy Novel KDP Formatting: UK Author's Guide
How to format a fantasy book for Amazon KDP — trim, paper, fonts, page-count band, spine width, and the fantasy-specific pitfall every author should plan for.
KDP Formatting
Memoir KDP Formatting: UK Author's Guide
How to format a memoir book for Amazon KDP — trim, paper, fonts, page-count band, spine width, and the memoir-specific pitfall every author should plan for.
KDP Formatting
Picture Book KDP Formatting: UK Author's Guide
How to format a picture book book for Amazon KDP — trim, paper, fonts, page-count band, spine width, and the picture book-specific pitfall every author should plan for.
KDP Formatting
Poetry Collection KDP Formatting: UK Author's Guide
How to format a poetry book for Amazon KDP — trim, paper, fonts, page-count band, spine width, and the poetry-specific pitfall every author should plan for.
KDP Formatting
Romance Novel KDP Formatting: UK Author's Guide
How to format a romance book for Amazon KDP — trim, paper, fonts, page-count band, spine width, and the romance-specific pitfall every author should plan for.
KDP Formatting
Sci-Fi Novel KDP Formatting: UK Author's Guide
How to format a science fiction book for Amazon KDP — trim, paper, fonts, page-count band, spine width, and the science fiction-specific pitfall every author should plan for.
KDP Formatting
Self-Help Book KDP Formatting: UK Author's Guide
How to format a self-help book for Amazon KDP — trim, paper, fonts, page-count band, spine width, and the self-help-specific pitfall every author should plan for.
KDP Formatting
Thriller Novel KDP Formatting: UK Author's Guide
How to format a thriller book for Amazon KDP — trim, paper, fonts, page-count band, spine width, and the thriller-specific pitfall every author should plan for.
KDP Formatting
KDP error: AI-generated content not disclosed
Why KDP rejected your book for failing to disclose AI-generated content — and the exact fix. UK-specific, 2026 spec.
KDP Formatting
KDP error: Blank chapter detected
Why KDP rejected your book for a blank chapter — and the exact fix. UK-specific, 2026 spec.
KDP Formatting
KDP error: Bleed misconfigured for your trim size
Why KDP rejected your book for incorrect bleed — and the exact fix. UK-specific, 2026 spec.
KDP Formatting
KDP error: Cover dimensions don't match interior trim
Why KDP rejected your book for cover-interior trim mismatch — and the exact fix. UK-specific, 2026 spec.
KDP Formatting
KDP error: Cover text or critical elements in bleed zone
Why KDP rejected your cover for text in the bleed zone — and the exact fix. UK-specific, 2026 spec.
KDP Formatting
KDP error: Cover under 2560×1600 pixels
Why KDP rejected your ebook cover for being too small — and the exact fix. UK-specific, 2026 spec.
KDP Formatting
KDP error: Crop marks present in print PDF
Why KDP rejected your PDF for crop marks — and the exact fix. UK-specific, 2026 spec.
KDP Formatting
KDP error: Embedded image too large
Why KDP rejected your file for an oversized embedded image — and the exact fix. UK-specific, 2026 spec.
KDP Formatting
KDP error: EPUB doesn't pass EPUBCheck validation
Why KDP rejected your Kindle file for EPUB validation errors — and the exact fix. UK-specific, 2026 spec.
KDP Formatting
KDP error: Fewer than 24 pages (paperback minimum)
Why KDP rejected your paperback for being too short — and the exact fix. UK-specific, 2026 spec.
KDP Formatting
KDP error: File size over 650MB
Why KDP rejected your upload for exceeding the file size limit — and the exact fix. UK-specific, 2026 spec.
KDP Formatting
KDP error: Fixed-layout metadata missing for picture book
Why KDP rejected your picture book or comic for missing fixed-layout flags — and the exact fix. UK-specific, 2026 spec.
KDP Formatting
KDP error: Font not embedded in PDF
Why KDP rejected your PDF for non-embedded fonts — and the exact fix. UK-specific, 2026 spec.
KDP Formatting
KDP error: Image resolution below 300 DPI
Why KDP rejected your book for low-resolution images — and the exact fix. UK-specific, 2026 spec.
KDP Formatting
KDP error: ISBN on copyright page doesn't match metadata
Why KDP rejected your book for an ISBN mismatch — and the exact fix. UK-specific, 2026 spec.
KDP Formatting
KDP error: Lorem ipsum or placeholder text detected
Why KDP rejected your book for placeholder text — and the exact fix. UK-specific, 2026 spec.
KDP Formatting
KDP error: Margin too small (gutter or outside)
Why KDP rejected your book for a margin violation — and the exact fix. UK-specific, 2026 spec.
KDP Formatting
KDP error: More than 828 pages (paperback maximum)
Why KDP rejected your paperback for exceeding the page limit — and the exact fix. UK-specific, 2026 spec.
KDP Formatting
KDP error: Odd page count in print interior
Why KDP rejected your paperback for an odd page count — and the exact fix. UK-specific, 2026 spec.
KDP Formatting
KDP error: PDF transparency layers not flattened
Why KDP rejected your PDF for unflattened transparency — and the exact fix. UK-specific, 2026 spec.
KDP Formatting
KDP error: RGB images in print interior (CMYK required)
Why KDP rejected your print PDF for mixed colour spaces — and the exact fix. UK-specific, 2026 spec.
KDP Formatting
KDP error: Right-to-left language flag missing in OPF
Why KDP rejected your Arabic, Hebrew or Persian book for missing RTL flags — and the exact fix. UK-specific, 2026 spec.
KDP Formatting
KDP error: Spine too narrow for spine text
Why KDP rejected your cover for spine text on a too-thin book — and the exact fix. UK-specific, 2026 spec.
KDP Formatting
KDP error: Table of Contents links don't resolve
Why KDP rejected your ebook for a broken Table of Contents — and the exact fix. UK-specific, 2026 spec.
KDP Formatting
KDP error: Title on cover doesn't match dashboard metadata
Why KDP rejected your book for a title mismatch between cover and dashboard — and the exact fix. UK-specific, 2026 spec.
KDP Formatting
Book Formatting Services Compared 2026 — Complete Guide for UK Authors
Compare every book formatting option for self-published authors in 2026. Prices, features, turnaround times, and honest reviews of Vellum, Atticus, BookBaby, and more.
KDP Formatting
Common KDP Rejection Reasons and Fixes — Interactive Troubleshooting Tool
Interactive troubleshooting tool for Amazon KDP rejections. Select your rejection reason and get step-by-step fix instructions. Covers the top 15 rejection reasons.
KDP Formatting
Word to KDP: Step-by-Step Formatting Guide
Comprehensive interactive guide to formatting a Microsoft Word document for Amazon KDP paperback upload. Covers margins, fonts, headers, page breaks, TOC, and export.
KDP Formatting
Amazon A+ Content for KDP: How to Set It Up
Learn how to set up Amazon A+ Content for your KDP book listing — step-by-step guidance for UK authors on modules, images, and getting approved.
KDP Formatting
Common KDP Formatting Errors and How to Fix Them
The most common KDP formatting errors and exactly how to fix them — from margin violations to embedded font issues and image resolution failures.
KDP Formatting
EPUB Validation Errors: How to Find and Fix Them
A practical, UK-focused guide on identifying, understanding, and fixing EPUB validation errors to ensure your eBook meets retailer standards and avoids costly rejections.
KDP Formatting
How to Create a Hardcover Book on KDP
How to create a hardcover book on KDP — eligibility, setup, cover templates, and the differences between hardcover and paperback specifications.
KDP Formatting
How to Create a KDP Cover Template
How to create a KDP cover template that fits your trim size and page count. Includes spine width calculations and the exact Photoshop and Canva settings you need.
KDP Formatting
How to Create a Paperback Interior for KDP
How to format a KDP paperback interior from scratch — page size, margins, fonts, headers, footers, and the export settings that produce a clean print-ready PDF.
KDP Formatting
How to Fix Blurry Images in KDP Paperbacks
A practical, UK-focused guide to fixing blurry images on Kindle Direct Publishing paperbacks, avoiding common pitfalls and ensuring professional print quality.
KDP Formatting
How to Fix Table of Contents Issues in KDP
A no-nonsense, UK-focused guide to solving common KDP table of contents problems with practical steps, expert tips, and regional insights.
KDP Formatting
How to Format a Book for KDP: The Complete UK Guide
The complete UK guide to formatting a book for KDP — margins, fonts, chapter headings, TOC, and how to export a print-ready file that passes first time.
KDP Formatting
How to Format a Children's Book for KDP
How to format a children's picture book for KDP — trim sizes, bleed settings, image resolution, and the exact file specs KDP requires for print.
KDP Formatting
How to Format a Poetry Book for KDP
Format your poetry collection for KDP with confidence. Covers line breaks, white space, trim sizes, and how to preserve your intended layout in both print and Kindle.
KDP Formatting
How to Format an eBook for Kindle: A Beginner's Guide for UK Authors
A practical, no-nonsense UK-focused guide on how to format an eBook for Kindle, covering tools, common mistakes, UK-specific business considerations, and professional tips.
KDP Formatting
How to Upload a Book to KDP: A Complete Walkthrough
A complete walkthrough for uploading your book to KDP — from creating your title to setting territories, pricing, and hitting publish without errors.
KDP Formatting
KDP Quality Check Failed: A Comprehensive Troubleshooting Guide
A detailed, no-nonsense guide for UK authors on resolving KDP quality check failures, with insider tips and UK-specific advice.
KDP Formatting
KDP Rejected My Book: Common Reasons and How to Fix Them
KDP rejected your book? Here are the most common reasons — cover issues, content policy violations, formatting errors — and how to fix each one fast.
KDP Formatting
Kindle Book Formatting Issues: A Comprehensive UK Author’s Guide
A comprehensive guide to Kindle book formatting issues for UK authors — why they happen, how to diagnose them, and the fastest way to fix each one.
KDP Formatting
Understanding Book Trim Sizes: Which One Should You Choose?
A brutally honest, no-nonsense guide to book trim sizes for UK authors. Avoid rookie mistakes, understand costs, and nail your book’s dimensions for print and market success.
KDP Formatting
What File Format Does KDP Accept? Complete Guide
What file formats does KDP accept? A complete guide to DOCX, PDF, and EPUB requirements for both print and Kindle, with tips on which to use and when.
Self-Publishing
25 articles
Self-Publishing
Can I Use Song Lyrics in My Book? UK Author's Guide to Lyric Permissions
Can UK self-published authors quote song lyrics in fiction or non-fiction? The honest answer: almost never without a licence. Here's what counts as fair dealing, what doesn't, and how to actually get a licence if you need one.
Self-Publishing
Copyright Page Template for UK Self-Published Books (Copy-Paste)
A complete copyright page template for UK self-published books — copy, paste, swap in your details. Plus what each line actually means, when to include it, and the mistakes that cost authors their rights.
Self-Publishing
Fair Dealing for UK Authors: What You Can Quote (and What You Can't)
UK fair dealing is narrower than US fair use. [Section 30](https://www.legislation.gov.uk/ukpga/1988/48/section/30) of the CDPA 1988 lists specific purposes — criticism, review, news, quotation, parody — and the use must be fair. Here's what UK self-published authors can actually quote without permission, what they can't, and how much is too much.
Self-Publishing
ISBN vs Copyright in the UK: What's the Difference (and Which Do I Need)?
ISBN and copyright are completely different things and most UK self-published authors confuse them. Copyright protects your creative work automatically. ISBN identifies your book in retail and libraries. Here's the practical difference, what you actually need, and what each costs.
Self-Publishing
Someone Copied My Book on Amazon: A UK Author's Takedown Playbook
Step-by-step UK author's guide to getting a copied or stolen book taken down from Amazon, Kindle Unlimited, Goodreads, and pirate sites. The exact form to submit, what evidence to gather, and when to escalate to a copyright solicitor.
Self-Publishing
UK Legal Deposit for Self-Publishers: What You Actually Have to Send
UK legal deposit obligations for self-published authors — what to send, where, when, and what happens if you don't. Plus the addresses of all 6 legal deposit libraries and why most indie authors should comply even though enforcement is light.
Self-Publishing
Amazon KDP Select vs Wide Distribution: A UK Author's Guide
KDP Select vs wide distribution: a UK author's guide to the pros and cons of exclusivity, Kindle Unlimited income, and publishing across multiple platforms.
Self-Publishing
Amazon KDP vs Lulu: A UK Self-Publisher's Guide
A no-nonsense, UK-focused comparison of Amazon KDP and Lulu for self-publishing authors, covering costs, print quality, distribution, and key pitfalls.
Self-Publishing
Best Print on Demand Services UK: An Author's Guide
The best print-on-demand services for UK authors — comparing KDP, IngramSpark, Lulu, and others on cost, quality, distribution, and turnaround times.
Self-Publishing
BookBaby vs KDP: Which Self-Publishing Service to Choose
BookBaby vs KDP: an honest comparison of costs, distribution reach, royalties, and services to help UK authors choose the right self-publishing platform.
Self-Publishing
Complete Beginner's Guide to Self-Publishing
Everything a first-time self-publisher needs to know — from writing and editing to formatting, cover design, publishing on KDP, and marketing your book.
Self-Publishing
Draft2Digital vs KDP: A UK-Focused Comparison
Draft2Digital vs KDP: a UK-focused comparison of royalties, distribution, ease of use, and which platform suits different types of self-published authors.
Self-Publishing
How to Choose the Right Book Category on Amazon
How to choose the right Amazon book categories to maximise your visibility and bestseller chances — including how to request additional categories from KDP.
Self-Publishing
How to Copyright a Book in the UK: A Practical Guide for Authors
How to copyright a book in the UK — what protection you automatically have, when to register, and how to add the correct copyright notice to your book.
Self-Publishing
How to Get Your Self-Published Book into UK Bookshops: The Ultimate Guide
How to get your self-published book into UK bookshops — from working with distributors like IngramSpark to approaching independent retailers directly.
Self-Publishing
How to Price Your Self-Published Book
How to price your self-published book — a data-driven guide to royalty calculations, competitive pricing, and the sweet spots for UK and US markets.
Self-Publishing
How to Self-Publish a Book on Amazon UK: A Step-by-Step Guide
A step-by-step guide to self-publishing a book on Amazon UK — account setup, ISBN options, formatting, cover requirements, pricing, and going live.
Self-Publishing
How to Set Up KDP Expanded Distribution: A UK Author's Guide
How to set up KDP Expanded Distribution — what it covers, the royalty rates, which retailers are included, and whether it's worth enabling for UK authors.
Self-Publishing
ISBN Requirements UK: Do You Need One for KDP?
Do you need an ISBN for your KDP book in the UK? A clear explanation of ISBN requirements, where to get one free, and when it's worth buying your own.
Self-Publishing
KDP vs IngramSpark: Which Is Better for UK Self-Publishers?
A practical UK-focused comparison of Amazon KDP and IngramSpark for self-publishers, covering costs, distribution, ISBNs, VAT, print quality, and expert tips.
Self-Publishing
Self-Publishing Costs UK: Complete Breakdown
A complete breakdown of self-publishing costs in the UK — editing, cover design, formatting, ISBNs, and what you can realistically do for free.
Self-Publishing
Self-Publishing Glossary: Every Term You Need to Know
Every self-publishing term you need to know — from ARC and bleed to royalty rate and trim size. A plain-English glossary for UK authors.
Self-Publishing
Self-Publishing Tax Guide UK: What Authors Need to Know
Self-publishing tax guide for UK authors — how royalties are taxed, what expenses you can claim, and whether you need to register as self-employed.
Self-Publishing
Self-Publishing vs Traditional Publishing UK: Pros and Cons
Self-publishing vs traditional publishing in the UK: an honest comparison of control, royalties, timelines, and which path makes sense for your book.
Self-Publishing
What Is KDP? Everything You Need to Know
What is KDP? A beginner's guide to Kindle Direct Publishing — how it works, what you can publish, the royalty structure, and how to get started.
Book Design
4 articles
Book Design
KDP Cover Formatting Guide — Interactive Cover Template Calculator
Interactive KDP cover template calculator. Enter trim size, page count, and paper type to get exact cover dimensions with spine width, bleed, and safe zones. Includes visual diagram.
Book Design
White Paper vs Cream Paper for KDP — Visual Comparison Tool
Interactive visual comparison of white and cream paper for Amazon KDP paperbacks. See how text looks on each, compare costs, and find which suits your genre.
Book Design
Canva for Book Covers: A Complete Tutorial
How to design a book cover in Canva — the right dimensions, fonts, and export settings for KDP, plus the common mistakes that make covers look amateur.
Book Design
The Best Free Book Cover Design Tools for UK Self-Publishers
The best free book cover design tools for self-published authors — from Canva and Adobe Express to KDP Cover Creator, compared honestly.
Marketing & Sales
9 articles
Marketing & Sales
Amazon Ads for Authors: Complete Beginner's Guide
A practical, UK-focused guide to Amazon Ads for authors, covering setup, optimisation, costs, and common pitfalls.
Marketing & Sales
How to Build an Author Email List from Scratch
A practical, UK-focused guide to building and managing an author email list with GDPR compliance, cost breakdowns, and expert tips.
Marketing & Sales
How to Get Book Reviews as a Self-Published Author
A practical, UK-focused guide to securing authentic book reviews as a self-published author, including strategies, legal considerations, and tools.
Marketing & Sales
How to Get Your Book into Kindle Unlimited
Kindle Unlimited for self-publishers — how the payment model works, what page reads earn, and whether KDP Select exclusivity is worth it for your book.
Marketing & Sales
How to Market a Self-Published Book in the UK: A Comprehensive Guide
How to market a self-published book in the UK — from social media and BookTok to press coverage, bookshop events, and building a loyal readership.
Marketing & Sales
How to Run a Successful Book Launch on Amazon
A proven book launch strategy for Amazon — pre-launch steps, launch week tactics, review generation, and how to sustain momentum after day one.
Marketing & Sales
How to Use BookTok to Promote Your Book: A UK Author’s Guide
How to market your book on BookTok — what content works, how to find your audience, and the strategies self-published authors are using to drive real sales.
Marketing & Sales
How to Use Social Media to Sell Your Self-Published Book
Social media marketing for authors — which platforms work best for books, what to post, and how to build an audience without spending all day online.
Marketing & Sales
How to Write a Book Description That Sells
How to write a book description that sells — the structure, keywords, and copywriting techniques that turn browsers into buyers on Amazon.
Tools & Software
111 articles
KDP Formatting
Spine width for a 100-page 5.06×7.81 inch KDP paperback
Exact spine width for a 100-page 5.06×7.81 inch KDP paperback — 0.225 in on white paper, 0.250 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
KDP Formatting
Spine width for a 100-page 5.25×8 inch KDP paperback
Exact spine width for a 100-page 5.25×8 inch KDP paperback — 0.225 in on white paper, 0.250 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
KDP Formatting
Spine width for a 100-page 5.5×8.5 inch KDP paperback
Exact spine width for a 100-page 5.5×8.5 inch KDP paperback — 0.225 in on white paper, 0.250 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
KDP Formatting
Spine width for a 100-page 5×8 inch KDP paperback
Exact spine width for a 100-page 5×8 inch KDP paperback — 0.225 in on white paper, 0.250 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
KDP Formatting
Spine width for a 100-page 6.14×9.21 inch KDP paperback
Exact spine width for a 100-page 6.14×9.21 inch KDP paperback — 0.225 in on white paper, 0.250 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
KDP Formatting
Spine width for a 100-page 6.69×9.61 inch KDP paperback
Exact spine width for a 100-page 6.69×9.61 inch KDP paperback — 0.225 in on white paper, 0.250 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
KDP Formatting
Spine width for a 100-page 6×9 inch KDP paperback
Exact spine width for a 100-page 6×9 inch KDP paperback — 0.225 in on white paper, 0.250 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
KDP Formatting
Spine width for a 100-page 7.5×9.25 inch KDP paperback
Exact spine width for a 100-page 7.5×9.25 inch KDP paperback — 0.225 in on white paper, 0.250 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
KDP Formatting
Spine width for a 100-page 7×10 inch KDP paperback
Exact spine width for a 100-page 7×10 inch KDP paperback — 0.225 in on white paper, 0.250 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
KDP Formatting
Spine width for a 100-page 8.5×11 inch KDP paperback
Exact spine width for a 100-page 8.5×11 inch KDP paperback — 0.225 in on white paper, 0.250 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
KDP Formatting
Spine width for a 100-page 8.5×8.5 inch KDP paperback
Exact spine width for a 100-page 8.5×8.5 inch KDP paperback — 0.225 in on white paper, 0.250 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
KDP Formatting
Spine width for a 100-page 8×10 inch KDP paperback
Exact spine width for a 100-page 8×10 inch KDP paperback — 0.225 in on white paper, 0.250 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
KDP Formatting
Spine width for a 150-page 5.06×7.81 inch KDP paperback
Exact spine width for a 150-page 5.06×7.81 inch KDP paperback — 0.338 in on white paper, 0.375 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
KDP Formatting
Spine width for a 150-page 5.25×8 inch KDP paperback
Exact spine width for a 150-page 5.25×8 inch KDP paperback — 0.338 in on white paper, 0.375 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
KDP Formatting
Spine width for a 150-page 5.5×8.5 inch KDP paperback
Exact spine width for a 150-page 5.5×8.5 inch KDP paperback — 0.338 in on white paper, 0.375 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
KDP Formatting
Spine width for a 150-page 5×8 inch KDP paperback
Exact spine width for a 150-page 5×8 inch KDP paperback — 0.338 in on white paper, 0.375 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
KDP Formatting
Spine width for a 150-page 6.14×9.21 inch KDP paperback
Exact spine width for a 150-page 6.14×9.21 inch KDP paperback — 0.338 in on white paper, 0.375 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
KDP Formatting
Spine width for a 150-page 6.69×9.61 inch KDP paperback
Exact spine width for a 150-page 6.69×9.61 inch KDP paperback — 0.338 in on white paper, 0.375 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
KDP Formatting
Spine width for a 150-page 6×9 inch KDP paperback
Exact spine width for a 150-page 6×9 inch KDP paperback — 0.338 in on white paper, 0.375 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
KDP Formatting
Spine width for a 150-page 7.5×9.25 inch KDP paperback
Exact spine width for a 150-page 7.5×9.25 inch KDP paperback — 0.338 in on white paper, 0.375 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
KDP Formatting
Spine width for a 150-page 7×10 inch KDP paperback
Exact spine width for a 150-page 7×10 inch KDP paperback — 0.338 in on white paper, 0.375 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
KDP Formatting
Spine width for a 150-page 8.5×11 inch KDP paperback
Exact spine width for a 150-page 8.5×11 inch KDP paperback — 0.338 in on white paper, 0.375 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
KDP Formatting
Spine width for a 150-page 8.5×8.5 inch KDP paperback
Exact spine width for a 150-page 8.5×8.5 inch KDP paperback — 0.338 in on white paper, 0.375 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
KDP Formatting
Spine width for a 150-page 8×10 inch KDP paperback
Exact spine width for a 150-page 8×10 inch KDP paperback — 0.338 in on white paper, 0.375 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
KDP Formatting
Spine width for a 200-page 5.06×7.81 inch KDP paperback
Exact spine width for a 200-page 5.06×7.81 inch KDP paperback — 0.450 in on white paper, 0.500 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
KDP Formatting
Spine width for a 200-page 5.25×8 inch KDP paperback
Exact spine width for a 200-page 5.25×8 inch KDP paperback — 0.450 in on white paper, 0.500 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
KDP Formatting
Spine width for a 200-page 5.5×8.5 inch KDP paperback
Exact spine width for a 200-page 5.5×8.5 inch KDP paperback — 0.450 in on white paper, 0.500 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
KDP Formatting
Spine width for a 200-page 5×8 inch KDP paperback
Exact spine width for a 200-page 5×8 inch KDP paperback — 0.450 in on white paper, 0.500 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
KDP Formatting
Spine width for a 200-page 6.14×9.21 inch KDP paperback
Exact spine width for a 200-page 6.14×9.21 inch KDP paperback — 0.450 in on white paper, 0.500 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
KDP Formatting
Spine width for a 200-page 6.69×9.61 inch KDP paperback
Exact spine width for a 200-page 6.69×9.61 inch KDP paperback — 0.450 in on white paper, 0.500 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
KDP Formatting
Spine width for a 200-page 6×9 inch KDP paperback
Exact spine width for a 200-page 6×9 inch KDP paperback — 0.450 in on white paper, 0.500 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
KDP Formatting
Spine width for a 200-page 7.5×9.25 inch KDP paperback
Exact spine width for a 200-page 7.5×9.25 inch KDP paperback — 0.450 in on white paper, 0.500 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
KDP Formatting
Spine width for a 200-page 7×10 inch KDP paperback
Exact spine width for a 200-page 7×10 inch KDP paperback — 0.450 in on white paper, 0.500 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
KDP Formatting
Spine width for a 200-page 8.5×11 inch KDP paperback
Exact spine width for a 200-page 8.5×11 inch KDP paperback — 0.450 in on white paper, 0.500 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
KDP Formatting
Spine width for a 200-page 8.5×8.5 inch KDP paperback
Exact spine width for a 200-page 8.5×8.5 inch KDP paperback — 0.450 in on white paper, 0.500 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
KDP Formatting
Spine width for a 200-page 8×10 inch KDP paperback
Exact spine width for a 200-page 8×10 inch KDP paperback — 0.450 in on white paper, 0.500 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
KDP Formatting
Spine width for a 250-page 5.06×7.81 inch KDP paperback
Exact spine width for a 250-page 5.06×7.81 inch KDP paperback — 0.563 in on white paper, 0.625 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
KDP Formatting
Spine width for a 250-page 5.25×8 inch KDP paperback
Exact spine width for a 250-page 5.25×8 inch KDP paperback — 0.563 in on white paper, 0.625 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
KDP Formatting
Spine width for a 250-page 5.5×8.5 inch KDP paperback
Exact spine width for a 250-page 5.5×8.5 inch KDP paperback — 0.563 in on white paper, 0.625 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
KDP Formatting
Spine width for a 250-page 5×8 inch KDP paperback
Exact spine width for a 250-page 5×8 inch KDP paperback — 0.563 in on white paper, 0.625 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
KDP Formatting
Spine width for a 250-page 6.14×9.21 inch KDP paperback
Exact spine width for a 250-page 6.14×9.21 inch KDP paperback — 0.563 in on white paper, 0.625 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
KDP Formatting
Spine width for a 250-page 6.69×9.61 inch KDP paperback
Exact spine width for a 250-page 6.69×9.61 inch KDP paperback — 0.563 in on white paper, 0.625 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
KDP Formatting
Spine width for a 250-page 6×9 inch KDP paperback
Exact spine width for a 250-page 6×9 inch KDP paperback — 0.563 in on white paper, 0.625 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
KDP Formatting
Spine width for a 250-page 7.5×9.25 inch KDP paperback
Exact spine width for a 250-page 7.5×9.25 inch KDP paperback — 0.563 in on white paper, 0.625 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
KDP Formatting
Spine width for a 250-page 7×10 inch KDP paperback
Exact spine width for a 250-page 7×10 inch KDP paperback — 0.563 in on white paper, 0.625 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
KDP Formatting
Spine width for a 250-page 8.5×11 inch KDP paperback
Exact spine width for a 250-page 8.5×11 inch KDP paperback — 0.563 in on white paper, 0.625 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
KDP Formatting
Spine width for a 250-page 8.5×8.5 inch KDP paperback
Exact spine width for a 250-page 8.5×8.5 inch KDP paperback — 0.563 in on white paper, 0.625 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
KDP Formatting
Spine width for a 250-page 8×10 inch KDP paperback
Exact spine width for a 250-page 8×10 inch KDP paperback — 0.563 in on white paper, 0.625 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
KDP Formatting
Spine width for a 300-page 5.06×7.81 inch KDP paperback
Exact spine width for a 300-page 5.06×7.81 inch KDP paperback — 0.676 in on white paper, 0.750 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
KDP Formatting
Spine width for a 300-page 5.25×8 inch KDP paperback
Exact spine width for a 300-page 5.25×8 inch KDP paperback — 0.676 in on white paper, 0.750 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
KDP Formatting
Spine width for a 300-page 5.5×8.5 inch KDP paperback
Exact spine width for a 300-page 5.5×8.5 inch KDP paperback — 0.676 in on white paper, 0.750 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
KDP Formatting
Spine width for a 300-page 5×8 inch KDP paperback
Exact spine width for a 300-page 5×8 inch KDP paperback — 0.676 in on white paper, 0.750 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
KDP Formatting
Spine width for a 300-page 6.14×9.21 inch KDP paperback
Exact spine width for a 300-page 6.14×9.21 inch KDP paperback — 0.676 in on white paper, 0.750 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
KDP Formatting
Spine width for a 300-page 6.69×9.61 inch KDP paperback
Exact spine width for a 300-page 6.69×9.61 inch KDP paperback — 0.676 in on white paper, 0.750 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
KDP Formatting
Spine width for a 300-page 6×9 inch KDP paperback
Exact spine width for a 300-page 6×9 inch KDP paperback — 0.676 in on white paper, 0.750 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
KDP Formatting
Spine width for a 300-page 7.5×9.25 inch KDP paperback
Exact spine width for a 300-page 7.5×9.25 inch KDP paperback — 0.676 in on white paper, 0.750 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
KDP Formatting
Spine width for a 300-page 7×10 inch KDP paperback
Exact spine width for a 300-page 7×10 inch KDP paperback — 0.676 in on white paper, 0.750 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
KDP Formatting
Spine width for a 300-page 8.5×11 inch KDP paperback
Exact spine width for a 300-page 8.5×11 inch KDP paperback — 0.676 in on white paper, 0.750 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
KDP Formatting
Spine width for a 300-page 8.5×8.5 inch KDP paperback
Exact spine width for a 300-page 8.5×8.5 inch KDP paperback — 0.676 in on white paper, 0.750 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
KDP Formatting
Spine width for a 300-page 8×10 inch KDP paperback
Exact spine width for a 300-page 8×10 inch KDP paperback — 0.676 in on white paper, 0.750 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
KDP Formatting
Spine width for a 400-page 5.06×7.81 inch KDP paperback
Exact spine width for a 400-page 5.06×7.81 inch KDP paperback — 0.901 in on white paper, 1.000 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
KDP Formatting
Spine width for a 400-page 5.25×8 inch KDP paperback
Exact spine width for a 400-page 5.25×8 inch KDP paperback — 0.901 in on white paper, 1.000 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
KDP Formatting
Spine width for a 400-page 5.5×8.5 inch KDP paperback
Exact spine width for a 400-page 5.5×8.5 inch KDP paperback — 0.901 in on white paper, 1.000 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
KDP Formatting
Spine width for a 400-page 5×8 inch KDP paperback
Exact spine width for a 400-page 5×8 inch KDP paperback — 0.901 in on white paper, 1.000 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
KDP Formatting
Spine width for a 400-page 6.14×9.21 inch KDP paperback
Exact spine width for a 400-page 6.14×9.21 inch KDP paperback — 0.901 in on white paper, 1.000 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
KDP Formatting
Spine width for a 400-page 6.69×9.61 inch KDP paperback
Exact spine width for a 400-page 6.69×9.61 inch KDP paperback — 0.901 in on white paper, 1.000 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
KDP Formatting
Spine width for a 400-page 6×9 inch KDP paperback
Exact spine width for a 400-page 6×9 inch KDP paperback — 0.901 in on white paper, 1.000 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
KDP Formatting
Spine width for a 400-page 7.5×9.25 inch KDP paperback
Exact spine width for a 400-page 7.5×9.25 inch KDP paperback — 0.901 in on white paper, 1.000 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
KDP Formatting
Spine width for a 400-page 7×10 inch KDP paperback
Exact spine width for a 400-page 7×10 inch KDP paperback — 0.901 in on white paper, 1.000 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
KDP Formatting
Spine width for a 400-page 8.5×11 inch KDP paperback
Exact spine width for a 400-page 8.5×11 inch KDP paperback — 0.901 in on white paper, 1.000 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
KDP Formatting
Spine width for a 400-page 8.5×8.5 inch KDP paperback
Exact spine width for a 400-page 8.5×8.5 inch KDP paperback — 0.901 in on white paper, 1.000 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
KDP Formatting
Spine width for a 400-page 8×10 inch KDP paperback
Exact spine width for a 400-page 8×10 inch KDP paperback — 0.901 in on white paper, 1.000 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
KDP Formatting
Spine width for a 50-page 5.06×7.81 inch KDP paperback
Exact spine width for a 50-page 5.06×7.81 inch KDP paperback — 0.113 in on white paper, 0.125 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
KDP Formatting
Spine width for a 50-page 5.25×8 inch KDP paperback
Exact spine width for a 50-page 5.25×8 inch KDP paperback — 0.113 in on white paper, 0.125 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
KDP Formatting
Spine width for a 50-page 5.5×8.5 inch KDP paperback
Exact spine width for a 50-page 5.5×8.5 inch KDP paperback — 0.113 in on white paper, 0.125 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
KDP Formatting
Spine width for a 50-page 5×8 inch KDP paperback
Exact spine width for a 50-page 5×8 inch KDP paperback — 0.113 in on white paper, 0.125 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
KDP Formatting
Spine width for a 50-page 6.14×9.21 inch KDP paperback
Exact spine width for a 50-page 6.14×9.21 inch KDP paperback — 0.113 in on white paper, 0.125 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
KDP Formatting
Spine width for a 50-page 6.69×9.61 inch KDP paperback
Exact spine width for a 50-page 6.69×9.61 inch KDP paperback — 0.113 in on white paper, 0.125 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
KDP Formatting
Spine width for a 50-page 6×9 inch KDP paperback
Exact spine width for a 50-page 6×9 inch KDP paperback — 0.113 in on white paper, 0.125 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
KDP Formatting
Spine width for a 50-page 7.5×9.25 inch KDP paperback
Exact spine width for a 50-page 7.5×9.25 inch KDP paperback — 0.113 in on white paper, 0.125 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
KDP Formatting
Spine width for a 50-page 7×10 inch KDP paperback
Exact spine width for a 50-page 7×10 inch KDP paperback — 0.113 in on white paper, 0.125 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
KDP Formatting
Spine width for a 50-page 8.5×11 inch KDP paperback
Exact spine width for a 50-page 8.5×11 inch KDP paperback — 0.113 in on white paper, 0.125 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
KDP Formatting
Spine width for a 50-page 8.5×8.5 inch KDP paperback
Exact spine width for a 50-page 8.5×8.5 inch KDP paperback — 0.113 in on white paper, 0.125 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
KDP Formatting
Spine width for a 50-page 8×10 inch KDP paperback
Exact spine width for a 50-page 8×10 inch KDP paperback — 0.113 in on white paper, 0.125 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
KDP Formatting
Spine width for a 500-page 5.06×7.81 inch KDP paperback
Exact spine width for a 500-page 5.06×7.81 inch KDP paperback — 1.126 in on white paper, 1.250 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
KDP Formatting
Spine width for a 500-page 5.25×8 inch KDP paperback
Exact spine width for a 500-page 5.25×8 inch KDP paperback — 1.126 in on white paper, 1.250 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
KDP Formatting
Spine width for a 500-page 5.5×8.5 inch KDP paperback
Exact spine width for a 500-page 5.5×8.5 inch KDP paperback — 1.126 in on white paper, 1.250 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
KDP Formatting
Spine width for a 500-page 5×8 inch KDP paperback
Exact spine width for a 500-page 5×8 inch KDP paperback — 1.126 in on white paper, 1.250 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
KDP Formatting
Spine width for a 500-page 6.14×9.21 inch KDP paperback
Exact spine width for a 500-page 6.14×9.21 inch KDP paperback — 1.126 in on white paper, 1.250 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
KDP Formatting
Spine width for a 500-page 6.69×9.61 inch KDP paperback
Exact spine width for a 500-page 6.69×9.61 inch KDP paperback — 1.126 in on white paper, 1.250 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
KDP Formatting
Spine width for a 500-page 6×9 inch KDP paperback
Exact spine width for a 500-page 6×9 inch KDP paperback — 1.126 in on white paper, 1.250 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
KDP Formatting
Spine width for a 500-page 7.5×9.25 inch KDP paperback
Exact spine width for a 500-page 7.5×9.25 inch KDP paperback — 1.126 in on white paper, 1.250 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
KDP Formatting
Spine width for a 500-page 7×10 inch KDP paperback
Exact spine width for a 500-page 7×10 inch KDP paperback — 1.126 in on white paper, 1.250 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
KDP Formatting
Spine width for a 500-page 8.5×11 inch KDP paperback
Exact spine width for a 500-page 8.5×11 inch KDP paperback — 1.126 in on white paper, 1.250 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
KDP Formatting
Spine width for a 500-page 8.5×8.5 inch KDP paperback
Exact spine width for a 500-page 8.5×8.5 inch KDP paperback — 1.126 in on white paper, 1.250 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
KDP Formatting
Spine width for a 500-page 8×10 inch KDP paperback
Exact spine width for a 500-page 8×10 inch KDP paperback — 1.126 in on white paper, 1.250 in on cream. Full cover-wrap dimensions and the KDP spine-width formula.
Tools & Software
KDP Formatting Checklist — Interactive Pre-Upload Checklist
Interactive KDP formatting checklist you can tick off as you go. Covers interior formatting, cover setup, metadata, and upload steps. Download as PDF when complete.
Tools & Software
KDP Margin Calculator — Get Exact Gutter Margins for Your Page Count
Calculate the exact gutter and outside margins required for your Amazon KDP paperback based on page count and trim size. Uses Amazon's official margin table.
Tools & Software
KDP Royalty Calculator — Calculate Your Actual Earnings Per Sale
Calculate your exact Amazon KDP royalty per sale. Input list price, marketplace, page count, and ink type to see actual earnings for both paperback and Kindle eBook.
Tools & Software
KDP Spine Width Calculator — Calculate Exact Spine Measurement
Calculate the exact spine width for your KDP paperback. Enter page count and paper type to get precise spine measurements for your book cover design.
Tools & Software
KDP Trim Size Guide — Find the Perfect Size for Your Book
Interactive guide to all Amazon KDP trim sizes. Find which trim size suits your genre with UK-specific examples, bleed options, and a filterable comparison table.
Tools & Software
Atticus Review: Is It Worth It for Self-Publishers?
Atticus book formatting software review — features, pricing, ease of use, and how it compares to Vellum and Scrivener for self-published authors.
Tools & Software
Best Book Formatting Software 2025: Complete Roundup
The best book formatting software in 2025 — a complete roundup of Vellum, Atticus, Scrivener, Reedsy, and Kindle Create, compared for UK authors.
Tools & Software
Best Free Open-Source Tools for Self-Publishers in 2026
A comprehensive, curated resource guide featuring the best free and open-source tools for self-publishers, from EPUB editing to book formatting and metadata management.
Tools & Software
Calibre vs Sigil: Free eBook Formatting Tools Compared
A no-nonsense, UK-focused comparison of Calibre and Sigil for self-published authors, covering pros, cons, and practical tips for eBook formatting.
Tools & Software
Kindle Create Review: Amazon's Free Formatting Tool
Kindle Create review — is Amazon's free formatting tool good enough for your book, or do you need something more powerful?
Tools & Software
Kindle Create vs Vellum: Free vs Paid Formatting
Kindle Create vs Vellum: a practical comparison of features, output quality, and value for self-published authors formatting for KDP.
Tools & Software
Reedsy Book Editor Review: A UK Author's Perspective
Reedsy Book Editor review — how the free online writing and formatting tool works, what it produces, and whether it's worth using for KDP publishing.
Tools & Software
Reedsy vs Scrivener: The Ultimate UK Author's Guide
Reedsy vs Scrivener: which writing and formatting tool is right for your book? A practical comparison for self-published authors.
Tools & Software
Scrivener Review for Self-Publishers: A UK Author's Perspective
Scrivener review for self-publishing — how to use it for writing, organising, and compiling your manuscript for KDP and other platforms.
Tools & Software
Vellum vs Atticus: Which Book Formatting Tool Is Best?
A no-nonsense UK-focused comparison of Vellum and Atticus for self-published authors, covering costs, workflows, UK market specifics, and practical tips.
Kindle Publishing
2 articles
Kindle Publishing
EPUB vs MOBI: What to Upload to KDP in 2026
Interactive comparison of EPUB vs MOBI for Amazon KDP in 2026. Amazon deprecated MOBI in 2022 — find out which format to use with our decision tree and feature comparison.
Kindle Publishing
Why Is My KDP Book Not Selling? A Diagnosis Guide
Why your KDP book isn't selling — and what to do about it. Covers keywords, categories, cover design, pricing, and the marketing changes that move the needle.