Calibre, the powerful ebook manager, has been updated to version 9.9, bringing several new features, improvement and bug fixes.

Instead of loading big ISO files on your phone, CHDroid lets you compress them into smaller CHD files for emulators.

Amazon may have cut off support for your older Kindle, but don't worry. If you're not ready to upgrade, I'll show you how to keep it alive and safeguard your books.