The Learning Zone
Practical design, formatting, and editorial guidance for authors and publishers bringing a book to print.
Simple, Medium, or Complex Ebook: What Actually Determines the Tier?
Ebook pricing isn’t ranked by length — it’s ranked by how many elements the reflow has to carry. Here’s what actually separates Simple, Medium, and Complex ebooks, and the real signal that should drive the choice.
What Actually Goes Into an EPUB File? (And Why “Just Convert My Word Doc” Goes Wrong)
An EPUB isn’t a “format” the way a PDF is — it’s XHTML, CSS, and a manifest zipped together. Here’s what’s actually inside, and why some conversions hold up and others don’t.
Why Won’t My Table of Contents Links Work in My KDP Ebook?
KDP table of contents links not working? It’s usually one of two separate navigation systems failing — here’s how to tell which, and fix it.

