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; ...

We may receive a commission on purchases made from links. Some people prefer ebooks over physical copies for the ease of collecting and commuting with them. There are a bunch of different formats in ...

Kindle devices appeal to many people. When everything works, they're great. But Amazon is becoming more and more finicky, both in terms of supported formats and the freedom to manage your own books.

The Kindle Fire and second-generation Kindle Reader include native support for PDF files, but to view these files on a first-generation Kindle Reader, you must convert them to MOBI or AZW format.

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.