calibre - Ebook manager, viewer & converter
Lemmings - Lemmings is a Side-Scrolling, Puzzle-Platform, Single and Multiplayer video game developed by DMA Design and published by Psygnosis.
FBReader - FBReader is an e-book reader for various platforms. Features:
Clutch Prep - Helps college students get better grades with videos
Google Play Books - Google Play Books lets you search, preview, and buy millions of books using Google Book Search.
Quesba - Search millions of textbook solutions