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.

All products featured here are independently selected by our editors and writers. If you buy something through links on our site, Mashable may earn an affiliate commission. Kindles used to only ...

Learn how to fix the EPUB processing error in Google Play Books by converting EPUB 3 to EPUB 2 using the Calibre application on Linux.

EPUB is an XML-based eBook publishing format based on a standard developed by the International Digital Publishing Forum, which in 2016 was subsequently merged with the World Wide Wide Web Consortium ...