ePub Format

"ePub is an open format defined by the Open eBook Forum of the International Digital Publishing Forum (). It is based on XHTML and XML along with optional style sheets. Its predecessor was the OEB standard. Specifications are found at the idpf web site. "


http://wiki.mobileread.com/wiki/EPUB





See also Epub Format Construction Guide


http://www.hxa.name/articles/content/epub-guide_hxa7241_2007.html