Guides
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
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.