Introduction
Electronic Publications – .epub files
EPUB is a format for storing and using electronic publications or eBooks. It is more than an XML specification, and covers both how to package books for use in the EPUB format as well as how readers access books in this format. [et all. from http://webdesign.about.com/od/epub/electronic-publications-EPUB.htm]
epub is widely used for mobile versions.
For more information on .epub file
http://edutechwiki.unige.ch/en/EPub
You can use these following softwares to read .epub files
Reader Softwares
1. Adobe Digital Editions
Adobe Digital Editions can be download online from http://www.adobe.com/products/digitaleditions/
Other Readers Are ::
- FBReader
- Calibre
- Openber
- Adobe Digital Editions
- Stanza