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Epub file This is the industry-standard, open file format for ‘flowable’ ebooks; it uses XHTML for the content. EPUB is defined in detail at idpf.org. Version 2 of the standard is currently the most used, but version 3 is gradually being implemented. Jutoh can generate Epub 2, and some features of Epub 3. All ebook readers apart from Amazon’s Kindle can read Epub 2 files. Epub readers usually have quirks of their
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Julian Smart (Professional Kindle Publishing with Jutoh 3: Beyond Word: a guide to importing, editing and creating ebooks professionally for Kindle)