The Amazon Kindle supports three main document types: Kindle (.AZW, .AZW1), Text (.TXT) and Unprotected Mobipocket (.MOBI, .PRC). Second-generation Kindles also have a built-in PDF reader and support ...

Ebooks are available in many different formats, including the widely supported ePub standard. You can read ePub ebooks on Apple iPad, Barnes & Noble Nook, Sony Reader, and Kobo eReader models; ...

The open-source EPUB e-book format is great for sharing books between different readers and making life easier on readers generally--but Amazon's Kindle, the big player, doesn't support it.

When you buy an ebook from Amazon, it’s yours, right? Technically speaking, Amazon is merely licensing the book to you. And the company can, seemingly on a whim, close your account and delete all your ...