Children's Book Formatting Service: Who Can Format My Picture Book for KDP?
Picture books are the hardest format to get right on KDP. Why a children's book formatting service is worth it here — and what to check before you pay.
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Self-Publishing
Expert articles on KDP formatting, self-publishing, and book design for UK authors. 44 guides and counting.
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Interactive Tools & Calculators
3 free toolsCommon 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 →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 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 Formatting
40 articlesKDP error: Barcode / ISBN placement on the cover
Where the ISBN barcode must sit on a KDP cover, the clear-zone size that triggers rejection, and how to fix your cover file in a single pass.
KDP error: PDF won't upload or convert correctly
Why your interior or cover PDF fails to upload or convert on KDP — embedded fonts, bleed mismatch, file size, security settings — and the exact fix. UK-specific, 2026 spec.
KDP page-count rules: minimum, maximum, and even pages
KDP's minimum and maximum page counts for paperback and hardcover — by ink and paper type — plus whether you need an even page count. UK-specific, 2026 spec.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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 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 error: Blank chapter detected
Why KDP rejected your book for a blank chapter — and the exact fix. UK-specific, 2026 spec.
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 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 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 error: Crop marks present in print PDF
Why KDP rejected your PDF for crop marks — and the exact fix. UK-specific, 2026 spec.
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 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 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 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 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 error: Font not embedded in PDF
Why KDP rejects PDFs for non-embedded fonts, how to find which font is missing, and the export settings that fix it in Word, InDesign and Atticus.
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 error: ISBN on copyright page doesn't match metadata
KDP rejected your book for an ISBN mismatch between cover and metadata. Exactly which field is wrong, and how to fix and resubmit in minutes.
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 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 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 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 error: PDF transparency layers not flattened
Why KDP rejected your PDF for unflattened transparency — and the exact fix. UK-specific, 2026 spec.
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 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 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 error: Title on cover doesn't match dashboard metadata
Your cover title doesn't match your dashboard metadata. The exact fields KDP compares, the subtitle trap that catches most authors, and the fix.
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.
Self-Publishing
2 articlesCan You Copyright an AI-Written Book in the UK? (And Can KDP Reject It?)
Can you copyright an AI-written book in the UK? What the UK IPO and US rules say about AI authorship, what's protected, and whether KDP can reject it.
Vanity Publishing Warning Signs: How to Spot a Scam Publisher Before You Pay
Vanity publishing warning signs to check before you pay: the red flags of a predatory publisher and what a fair self-publishing spend really looks like.
Tools & Software
2 articlesKDP 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.
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.