Fictionwise.com is committed to providing the Internet's most comprehensive collection of fiction (and yes nonfiction too!) in the most popular eBook formats.

At Fictionwise, you'll find award-winning and high quality eBooks by top authors in all the major genres. We are also working hard to make Fictionwise.com the most technically advanced eBook website (ranging from sophisticated search or sorting options to a complete coupon and promotions system to artificial intelligence systems to help members buy eBooks they will enjoy).
They have the biggest eBook collection I know ...