If you're an avid e-book reader or someone who has an extensive library of Kindle content, now is the time to back up your books: Amazon is killing the option to save e-books to your computer.

Amazon is discontinuing a feature that lets you download your purchased eBooks to your computer and transfer them to your Kindle via a USB connection. Although few people take advantage of this, it still awful that we're losing one of the ways we can download our content.

Amazon is removing the option to download your Kindle books onto your computer soon. Here's how to quickly backup your Kindle book library.