Ceeryo Blog
Document formatting: tutorials, guides, and product news
Step-by-step guides on book interiors: trim sizes, gutters, alignment and spacing, and getting consistent styles with AI.
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Guides·4 min
KDP book margins and gutter: the 2026 spec, explained
The exact margin and gutter rules a KDP paperback interior must meet — the page-count gutter table, mirrored margins, trim sizes, and why Word exports get rejected — with a checklist to verify your own PDF.
Guides·3 min
How to format a novel manuscript for publishing (2026)
From Word draft to publishable book: how to mark chapters and scene breaks, what a print interior needs (trim, margins, typography), ebook conversion, and the tools that do it — free and paid.