But there's always a catch.

eBooks are quick and convenient, but some books still haven't made the leap to digital. For these, you can make your own eBook using a variety of methods.

ABBU is the native file type for the Mac OS X Address Book, which means that you can only open ABBU files using the Mac Address Book application. However, you can use the iWork Numbers application to ...

The Kobo is an e-reader once sold in Borders bookstores. In addition to reading e-books purchased from the Kobo store, you can read books distributed by your library via the OverDrive system. However, ...

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.