Ebook Reader supports ePub files (including ePub3), PDF files and our own proprietary DRM format.
iPad, iPhone, the myriad of Android devices, Blackberry and Kindle Fire.
Your ebook will be available in your library immediately after purchase
Yes, any book you purchase on eBooks.com will also be available in your app, and vice versa.
Of course, you can. Not only can you read your books on all of your devices, but you can also sync your annotations between devices.