KDP error: RGB images in print interior (CMYK required)
Last reviewed by Robert Prime — May 2026 Quick Answer: KDP requires print PDFs in CMYK colour space, not RGB. Convert your file: in Acrobat …
KDP Formatting
Categories archive — 159 articles
KDP error: Right-to-left language flag missing in OPF
Last reviewed by Robert Prime — May 2026 Quick Answer: Your Arabic, Hebrew, Urdu, or other right-to-left language Kindle file is missing the …
KDP error: Spine too narrow for spine text
Last reviewed by Robert Prime — May 2026 Quick Answer: Your spine text won't fit because the spine width is too narrow for the chosen font. …
KDP error: Table of Contents links don't resolve
Last reviewed by Robert Prime — May 2026 Quick Answer: Your Table of Contents links don't go to the chapters they should. In Word, your TOC …
KDP error: Title on cover doesn't match dashboard metadata
Last reviewed by Robert Prime — May 2026 Quick Answer: The title on your cover or interior PDF doesn't match the title in your KDP dashboard …
Book Formatting Services Compared 2026 — Complete Guide for UK Authors
Last reviewed by Robert Prime — April 2026 UK note: UK-specific considerations apply — ISBN purchases go through Nielsen (not Bowker), VAT …
Common KDP Rejection Reasons and Fixes — Interactive Troubleshooting Tool
Last reviewed by The publishing.co.uk Team — June 2026 Select your rejection reason below to get specific, step-by-step fix instructions. …
Word to KDP: Step-by-Step Formatting Guide
Last reviewed by The publishing.co.uk Team — June 2026 Quick Answer: To format a Word document for KDP, set the page size to your trim …
Amazon A+ Content for KDP: How to Set It Up
Last reviewed by Robert Prime — March 2026 Amazon A+ Content is often touted as the secret weapon for authors looking to stand out on the …
Common KDP Formatting Errors and How to Fix Them
Last reviewed by Robert Prime — June 2026 Formatting a book for Amazon’s Kindle Direct Publishing (KDP) platform is notoriously difficult. …
EPUB Validation Errors: How to Find and Fix Them
Last reviewed by Robert Prime — June 2026 Quick Answer: EPUB validation errors are faults EPUBCheck (the validator KDP and every major …
How to Create a Hardcover Book on KDP
Last reviewed by Robert Prime — March 2026 We see this come through our formatting queue at publishing.co.uk regularly, so the patterns and …