Distribution & Metadata
EPUB Accessibility 1.2: The Publisher Release Checklist
W3C issued a September 2026 draft of EPUB Accessibility 1.2. Use this release gate for content, conformance, metadata, evaluation, and reader support.
Publishing
The Hidden Publishing System: What Actually Makes a Book Professionally Published
Discover the hidden publishing standards behind ISBNs, metadata, rights, print files, ebooks, accessibility, distribution, edition control, and professional book production.