From Software Development Resource:
ePub is short for electronic publication which was founded by the International Digital Publishing Forum. The digital age has allowed for books to be purchased and downloaded instantly versus ordering online or visiting the local book store. Free ePub Reader is a easy-to-use ePub reader that handles all epub files. Features include full screen view, epub property file view, find text, customized zoom, table of contents view. Free ePub Reader will automatically optimize the text for the easiest viewing pleasure.