Book Covers resources
Spine width, cover dimensions, A+ content, and preparing covers for KDP.
How to Calculate Book Spine Width
Spine width is determined by your page count and paper type. Get it wrong and your wraparound cover does not fit. Here is the formula and how to calculate it for KDP.
How to Prepare a Cover for KDP
Preparing a cover for KDP means calculating spine width, assembling a wraparound at exact dimensions, checking image resolution, handling bleed, and producing a file Amazon will accept. Here is how to do it without Photoshop.
Go from manuscript to KDP-ready files.
Print PDF, EPUB, DOCX, and Markdown from one application. A readiness check reports what needs attention.
Your book is bigger than a prompt.
Give it a memory.
Inkloom helps you plan, write, remember, check, polish, typeset, cover, and publish a coherent book from one integrated local-first environment.
$299 one-time purchase. Buy once. It is yours.