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.

Amazon is releasing a new file format for Kindle e-books. Called Kindle Format 8, or KF8, the new format is based on HTML5 open standards, and is intended to help create the next phase of electronic ...

After unveiling its latest Kindle lineup last week, Amazon has updated its Kindle app for Mac OS X to introduce support for new books that employ the Kindle 8 format. It also adds OS X Lion gestures ...