ePub

The ePub format is an open format designed by the Open eBook Forum and developed by the International Digital Publishing Forum. Based on XHTML and XML, it was made with the intention to be both source file format and end user format. Examples of software that can open this format are EPUBReader Firefox add-on, Adobe Digital Editions, and QuickReader. Meanwhile, devices that can open this file include the iPhone, iPod Touch, iPad, Sony Readers, Kobo Reader, and the Nook from Barnes & Noble.