EPUB is the industry-standard, open-source format used for most modern ebooks. While simple text documents can be converted easily, professional-grade EPUBs require specific structural elements to ensure readability across all devices. Core Structure of an EPUB File
: Used to control the visual presentation and layout of the text. Methods for Creating EPUBs 1. Word Processor Export (Beginner)
: The actual chapters and pages, typically written in XHTML.