Everything you need to know
about formatting your book
Platform requirements, genre conventions, trim sizes, typography, and the pre-upload checks that prevent rejected files. Written for indie authors, not graphic designers.
What each store actually requires
Every retailer has different file specs, margin rules, and metadata requirements. These guides cover exactly what you need for each.
Amazon KDP Requirements
File specs, margins, trim sizes, and metadata requirements for publishing on KDP.
→IngramSpark Requirements
PDF specs, color spaces, and the stricter file requirements that trip up most authors.
→Apple Books Requirements
EPUB specs, metadata, and what Apple Books expects for ebook distribution.
→Kobo Requirements
Kobo Writing Life file specs, EPUB requirements, and distribution details.
→Barnes & Noble Requirements
B&N Press file specs, EPUB and PDF requirements for print and ebook.
→Which size for your book?
Each trim size has different margin requirements, page counts, and genre expectations. See the full comparison →
Format by genre
Every genre has its own typography conventions, trim size preferences, and reader expectations. These guides cover what readers in each genre expect.
How to Format a Fantasy Novel for IngramSpark
IngramSpark-specific formatting for fantasy and sci-fi: PDF/X-1a export, 6×9 trim specs, handling maps and illustrations in CMYK, and wide distribution for epic series.
How to Format a Fantasy Novel for KDP
KDP formatting guide for fantasy novels: trim size for long manuscripts, map placement, chapter ornaments, series formatting, and the exact PDF export settings for Amazon paperback.
How to Format a Horror Novel for IngramSpark
IngramSpark formatting guide for horror: PDF/X-1a export, compact trim for tension, bookstore distribution for horror fiction, and pricing strategy for wide distribution.
How to Format a Horror Novel for KDP
Formatting guide for horror fiction on Amazon KDP: trim size, dark-friendly fonts, scene break conventions, chapter styling, and the interior design choices that match the genre's atmosphere.
How to Format a Memoir for IngramSpark
IngramSpark formatting guide for memoir: PDF/X-1a requirements, trim size selection, photo handling in CMYK, and how to set up bookstore distribution for your life story.
How to Format a Memoir for KDP
KDP formatting guide for memoir: trim size, handling photos and images, front matter for life writing, PDF export settings, and pricing strategy for Amazon paperback.
How to Format a Nonfiction Book for IngramSpark
IngramSpark formatting for nonfiction: PDF/X-1a, 6×9 trim, handling charts and diagrams in CMYK, index requirements, and setting up bookstore and library distribution.
How to Format a Nonfiction Book for KDP
KDP formatting guide for nonfiction: heading hierarchy, table and list formatting, trim size by category, PDF export settings, and pricing strategy for Amazon paperback.
How to Format a Poetry Book for IngramSpark
IngramSpark formatting guide for poetry: PDF/X-1a with preserved line breaks, trim size for collections, library distribution for poetry, and pricing strategy.
How to Format a Poetry Book for KDP Print
KDP formatting guide for poetry collections: preserving line breaks, page breaks between poems, trim size for poetry, and the export settings that won't destroy your spacing.
How to Format a Romance Novel for IngramSpark
IngramSpark-specific formatting guide for romance: PDF/X-1a export, cream paper pricing, 5×8 trim specs, and how to set up wide distribution for your romance series.
How to Format a Romance Novel for KDP
KDP formatting guide for romance: trim size by subgenre, scene break styles, series setup, and the exact margins and PDF settings for Amazon paperback upload.
How to Format a Sci-Fi Novel for IngramSpark
IngramSpark formatting guide for science fiction: PDF/X-1a export, trim size for long manuscripts, handling in-universe elements, and bookstore distribution for sci-fi.
How to Format a Science Fiction Novel for KDP
Formatting guide for sci-fi on Amazon KDP: trim size, fonts, chapter styling, handling technical elements, and the specific conventions that sci-fi readers expect.
How to Format a Self-Help Book for IngramSpark
IngramSpark formatting guide for self-help: PDF/X-1a, heading hierarchy, callout boxes in print, bookstore distribution, and pricing for the personal development market.
How to Format a Self-Help Book for KDP
Formatting guide for self-help and personal development books on Amazon KDP: 6×9 trim, heading hierarchy, callout boxes, action steps, and the layout conventions readers expect.
How to Format a Short Story Collection for IngramSpark
IngramSpark formatting guide for short story collections and anthologies: PDF/X-1a, story separators, table of contents formatting, and bookstore distribution for literary collections.
How to Format a Short Story Collection for KDP
KDP formatting guide for short story collections and anthologies: story separators, table of contents, trim size for thin books, and how to handle author credits in multi-author volumes.
How to Format a Thriller for IngramSpark
IngramSpark formatting guide for thrillers and suspense: PDF/X-1a export, 5.5×8.5 trim specs, pricing strategy for wide distribution, and series setup for bookstore shelves.
How to Format a Thriller for KDP
KDP formatting guide for thrillers and suspense: short chapter formatting, trim size, pacing through layout, PDF export settings, and pricing strategy for Amazon paperback.
How to Format a YA Novel for IngramSpark
IngramSpark formatting guide for young adult fiction: PDF/X-1a, trim size for teen readers, library distribution setup, and pricing for the YA market.
How to Format a YA Novel for KDP
Formatting guide for young adult fiction on Amazon KDP: trim size, font size for teen readers, chapter styling, and the conventions that separate YA from adult fiction interiors.
How to Format a Book in Microsoft Word (Step-by-Step for Print)
A complete, honest guide to formatting a book for print in Microsoft Word — page setup, styles, headers, and where Word's limitations start to show.
How to Format a Nonfiction Book for Print: The Complete Guide
Nonfiction formatting has different rules than fiction — larger trim sizes, heading hierarchies, figures, tables, and a table of contents that actually matters. Here's how to get it right.
How to Format a Children's Book for Print (KDP & IngramSpark)
Children's books have unique formatting requirements — large trim sizes, full-color printing, illustration-heavy layouts, and age-specific typography. Here's how to handle all of it.
How to Format a Poetry Book for Print (KDP & IngramSpark)
Poetry formatting is fundamentally different from prose. Line breaks are structural, white space is intentional, and the page is a canvas. Here's how to format a poetry collection for print.
How to Format a Memoir for Print (KDP & IngramSpark)
Memoirs bridge fiction and nonfiction formatting. Trim size, typography, chapter style, and the front/back matter conventions specific to memoir and personal narrative.
How to Format a Mystery Novel for Print (KDP & IngramSpark)
Mystery and detective fiction has its own formatting conventions. Trim size, fonts, chapter structure, and the typography choices that match reader expectations.
How to Format a Thriller for Print (KDP & IngramSpark)
Thrillers move fast and your formatting should match. Trim size, fonts, pacing-driven chapter style, and scene breaks for thriller and suspense novels.
How to Format a Romance Novel for Print (KDP & IngramSpark)
Romance readers have specific expectations for how a book looks and feels. Here's how to format your romance novel interior to match — trim size, fonts, scene breaks, and chapter style.
How to Format a Fantasy Novel for Print: Maps, Glossaries & Chapter Art
Fantasy readers expect more from a book interior — maps, glossaries, pronunciation guides, and decorative chapter headings. Here's how to format all of it for KDP and IngramSpark.
Format for your platform
Step-by-step walkthroughs for formatting and uploading to specific retailers.
How to Format a Children's Book for IngramSpark
IngramSpark formatting guide for children's books: PDF/X-1a with CMYK images, trim sizes for picture books, bleed and color requirements, and bookstore distribution for children's titles.
How to Format a Children's Book for KDP
KDP formatting guide for children's books: trim size by age group, image resolution requirements, bleed settings, color vs B&W costs, and PDF export for picture books and middle grade.
How to Format a Book for IngramSpark: The Complete Guide
IngramSpark has stricter PDF requirements than KDP. Here's everything you need to know — file specs, margins, color spaces, and how to avoid rejected uploads.
How to Format a Book for KDP: The Complete Guide for Indie Authors
Everything you need to know about formatting your book interior for Amazon KDP — trim sizes, margins, fonts, front matter, and how to avoid rejected PDFs.
Typography, checklists, and fundamentals
The formatting knowledge that applies to every book, regardless of genre or platform.
5.25×8 Trim Size Specs for IngramSpark — PDF/X-1a & Margin Requirements
Complete 5.25×8 specifications for IngramSpark: PDF/X-1a export, CMYK color space, margin minimums, spine width, and cover template setup.
5.25×8 Trim Size Specs for KDP — Margins, Spine & When to Use It
Complete 5.25×8 specifications for Amazon KDP: margin requirements, spine width, page count estimates, and when to choose this slightly wider alternative to the standard 5×8.
5.5×8.5 Trim Size Specs for IngramSpark — PDF/X-1a, Margins & Cover Setup
Complete 5.5×8.5 specifications for IngramSpark: PDF/X-1a requirements, CMYK color space, margin minimums, spine width, and cover template setup for the most popular fiction trim size.
5.5×8.5 Trim Size Specs for KDP — Margins, Spine & Printing Cost
Complete 5.5×8.5 specifications for Amazon KDP: margin requirements by page count, spine width formula, page count estimates, PDF settings, and printing cost breakdown.
5×8 Trim Size Specs for IngramSpark — PDF/X-1a, Margins & Cover Template
Complete 5×8 specifications for IngramSpark: PDF/X-1a export settings, CMYK requirements, margin minimums, spine width, and cover template dimensions for mass-market genre fiction.
5×8 Trim Size Specs for KDP — Margins, Spine & Cost for Genre Fiction
Complete 5×8 specifications for Amazon KDP: margin requirements, spine width, page count estimates, printing cost, and PDF settings for the mass-market paperback size.
6×9 Trim Size Specs for IngramSpark — Margins, PDF/X-1a & Upload Requirements
Complete 6×9 specifications for IngramSpark: margin requirements, PDF/X-1a export settings, spine width formula, CMYK color space, and how to avoid file rejection.
6×9 Trim Size Specs for KDP — Margins, Spine Width & PDF Requirements
Exact margin requirements, spine width formula, page count estimates, and PDF export settings for a 6×9 book on Amazon KDP. Everything you need to pass file review on the first upload.
8.5×11 Trim Size Specs for IngramSpark — PDF/X-1a, Color & Cover Setup
Complete 8.5×11 specifications for IngramSpark: PDF/X-1a requirements, CMYK color handling for image-heavy layouts, margin minimums, and cover template dimensions for large-format books.
8.5×11 Trim Size Specs for KDP — Margins, Cost & When to Use Letter Size
Complete 8.5×11 specifications for Amazon KDP: margin requirements, spine width, printing cost, and PDF settings for workbooks, cookbooks, children's books, and other large-format interiors.
Best Fonts for Fiction Books (Print)
The 12 best fonts for fiction paperbacks and hardcovers: serif fonts for novels, recommended sizes, and which fonts pair well for body text and chapter headings.
Best Fonts for Nonfiction Books (Print)
The best body and heading fonts for nonfiction: serif fonts for readability, sans-serif for headings, recommended sizes for 6×9 trim, and font pairings that signal authority.
Best Fonts for Romance Novels (Print)
The best fonts for romance paperbacks: warm serifs for body text, elegant headings for chapter openings, scene break ornaments, and size recommendations by subgenre.
Book Formatter vs Formatting Software: Which Should You Use?
Freelance book formatter vs formatting software compared: cost, quality, turnaround, control, and when each makes sense for indie authors.
Line Spacing for Books: The Complete Guide
Line spacing (leading) for book interiors: recommended settings by genre and trim size, how spacing affects page count and readability, and the difference between single, 1.15, and 1.5 spacing.
What Font Size for a Book? Complete Guide by Genre and Trim
The right font size for your book: body text, chapter headings, and front matter sizes for every trim size and genre, with page count impact calculations.
Garamond vs Baskerville: Which Font for Your Book?
Garamond vs Baskerville compared for book interior formatting: readability, page count impact, style differences, and which genres each font suits best.
Garamond vs Palatino: Which Font for Your Book?
Garamond vs Palatino compared for book formatting: readability, page count, visual warmth, and which genres each font fits best for print paperbacks and hardcovers.
How Much Does Book Formatting Cost? (2026 Pricing Guide)
Book formatting costs in 2026: freelance formatters ($150–$800), formatting software ($0–$199), DIY in Word (free but painful), and what you get at each price point.
IngramSpark Cover Template Mismatch — How to Fix Cover Dimension Errors
IngramSpark rejected your cover for dimension mismatch. Here's how to get the exact cover template, fix spine width errors, and handle the barcode zone requirement.
IngramSpark PDF/X-1a Rejected — How to Fix Compliance Errors
IngramSpark rejected your PDF for not being PDF/X-1a compliant. Here's what PDF/X-1a means, how to check compliance, and how to create a compliant file from Word, InDesign, or other tools.
IngramSpark Printing Cost Guide (2026 Formulas + Comparison)
IngramSpark printing costs: exact formulas for paperback and hardcover, cost by page count, wholesale discount impact on royalty, and KDP vs IngramSpark cost comparison.
KDP Bleed Settings Explained — When You Need Them and How to Fix Bleed Errors
KDP rejected your file for bleed issues. Here's when you need bleed enabled, the correct PDF dimensions with bleed, and how to fix 'bleed settings do not match' errors.
KDP Cover Dimensions Wrong — How to Fix Cover Size Rejections
KDP rejected your cover file for incorrect dimensions. Here's how to calculate the exact cover size for your trim, page count, and paper type — and fix the most common mistakes.
How to Fix "Fonts Not Embedded" in Your KDP PDF
KDP rejected your PDF because fonts aren't embedded. Here's why it happens, how to check for it, and how to fix it in Word, InDesign, and other tools.
KDP Image Resolution Error — How to Fix Low-Resolution Images in Your Interior
KDP flagged your PDF for images below 300 DPI. Here's how to check image resolution, fix low-res images, and understand when DPI matters for print.
KDP Margin Error — How to Fix "Margins Too Small" or Content in Gutter
Your KDP interior was rejected for margin violations. Here's how to identify which margin is wrong, fix it for your specific page count, and avoid the error permanently.
KDP Says "Odd Page Count" — Here's the 30-Second Fix
KDP requires an even total page count. If your book has an odd number of pages, here's how to add a blank page at the end without breaking your layout.
KDP Printing Cost Guide (2026 Calculator + Formulas)
KDP printing cost breakdown: exact formulas, cost by page count and trim size, color vs B&W pricing, and how to calculate your royalty before uploading.
KDP Spine Text Error — Minimum Page Count for Spine Text on Your Cover
KDP says your book doesn't have enough pages for spine text. Here's the minimum page count for spine text, how to calculate spine width, and what to do if your book is too thin.
KDP vs IngramSpark: Which Platform for Your Book? (2026)
KDP vs IngramSpark compared: cost, royalties, distribution, quality, and the strategy most successful indie authors use — both platforms, different purposes.
Large Print Book Specs for IngramSpark — Library Distribution & Formatting
How to format and publish a large print edition on IngramSpark for library and bookstore distribution: trim size, font requirements, PDF/X-1a settings, and metadata for library cataloging.
Large Print Book Specs for KDP — Font Size, Trim & Formatting Requirements
How to format a large print edition for Amazon KDP: recommended font size, trim size, margin adjustments, page count impact, and what qualifies as 'large print' for Amazon's metadata.
Self-Publishing Costs Breakdown (2026 Budget Guide)
Complete self-publishing cost breakdown: editing, cover design, formatting, ISBN, marketing, and realistic budgets from $500 to $5,000 — where to spend and where to save.
Should You Use Times New Roman for a Book? (No — Here's Why)
Why Times New Roman is wrong for book interiors, what to use instead, and the 5 fonts that will make your book look professionally published.
How to Fix Scrivener Compile Problems (Or Skip Compile Entirely)
Scrivener's Compile feature is powerful but notoriously confusing. Here's how to troubleshoot the most common compile problems — and what to do if you're ready to stop fighting it.
Best Fonts for Self-Published Books in 2026
The fonts that make your book look professionally typeset — body text, chapter headings, and the combinations that work. No design degree required.
Book Bleed Settings Explained: When You Need It and How to Set It Up
What bleed is, when your book needs it, and the exact settings for KDP and IngramSpark. Most novels don't need bleed — here's how to know.
Book Formatting Services vs DIY: Cost Comparison and When to Hire
Should you hire a book formatter or do it yourself? Real cost comparison across 1-10 books, plus when hiring makes sense and when DIY pays off.
Book Margins and Gutter Explained: A Practical Guide for Print Books
How to set book margins for printing — gutter margins, KDP minimums by page count, professional recommendations, and the mistakes that get PDFs rejected.
Chapter Opener Design: The Biggest Professional vs. Amateur Signal in Your Book
Chapter openers are the #1 formatting detail that separates professional-looking books from amateur ones. Here's how to design them right for your genre.
How to Create a Copyright Page for Your Book (With Examples)
What goes on a copyright page, what's legally required vs conventional, and ready-to-use templates for fiction and non-fiction. No lawyer needed.
Drop Caps in Book Formatting: When, How, and Why to Use Them
Everything you need to know about drop caps in book design — history, sizing, font choice, genre conventions, and how to avoid the most common mistakes.
How to Format an Ebook: The Complete Guide for Self-Published Authors
Everything you need to know about ebook formatting — EPUB structure, reflowable layout, platform requirements, and the mistakes that break your ebook.
EPUB vs PDF: Which Format Do You Need for Your Book?
Print needs PDF. Ebooks need EPUB. But the details matter — reflowable vs fixed, EPUB 2 vs 3, and which stores accept what. Here's the complete breakdown.
Book Formatting Checklist: 35 Things to Check Before You Upload
The complete pre-upload checklist for indie authors. Catch the formatting mistakes that cause KDP rejections, bad reviews, and amateur-looking books.
12 Book Formatting Mistakes That Make Your Book Look Self-Published
The most common formatting mistakes that scream 'self-published' — and how to fix every one of them. Covers trim size, margins, fonts, and more.
Parts of a Book in Order: Front Matter and Back Matter Explained
Every part of a book listed in order — front matter, body, and back matter. What's required, what's optional, and how each affects your page count.
Book Page Numbering Rules: Roman Numerals, Arabic Numbers, and What Goes Where
The complete guide to book pagination — Roman numerals for front matter, Arabic for body text, and which pages get no numbers at all.
Paperback vs Hardcover Self-Publishing: Costs, Margins, and When Each Makes Sense
Paperback vs hardcover for self-published books: printing costs, pricing strategy, formatting differences, and when hardcover is worth it.
Running Headers and Footers in Books: The Complete Guide
How to set up running headers and footers for your book — conventions for verso/recto pages, when to suppress them, and how to get them right.
Scene Break Formatting: Dinkuses, Ornaments, and How to Handle Them Right
How to format scene breaks in your book so they survive page breaks, look professional, and match your genre. Covers dinkuses, ornaments, and blank lines.
The Complete Self-Publishing Checklist for 2026: Every Step from Manuscript to Launch
A step-by-step self-publishing checklist covering editing, formatting, uploading, and launching your book in 2026. Nothing skipped, nothing vague.
How Much Does It Cost to Self-Publish a Book in 2026? Honest Breakdown
Real self-publishing costs: editing, cover design, formatting, ISBNs, marketing. Budget to premium ranges with specific numbers. No fluff.
KDP Trim Sizes Explained: Which Size Is Right for Your Book?
Every KDP trim size compared — dimensions, margins, page counts, costs, and which genres use which. Stop guessing and pick the right size for your book.
What Is Widow and Orphan Control? (And Why It Matters for Your Book)
Widows and orphans are the single most common typesetting problem in self-published books. Here's what they are, why they matter, and how to fix them.
Word to EPUB Conversion: Why It Breaks and How to Do It Right
Converting Word to EPUB? Direct conversion usually fails. Learn why, how to fix common problems, and the approach that actually produces clean ebooks.
"Your Interior File Does Not Meet Our Requirements" — How to Fix Every Common KDP Rejection
KDP rejected your PDF with no useful details. Here's a checklist of every reason this happens and exactly how to fix each one.
These guides teach you the rules.
Cambric applies them automatically.
Margins, typography, front matter, retailer specs — handled by the desktop app, not by you checking a PDF page by page.