Amazon is eliminating users' ability to download Kindle books without WiFi, meaning you’ll want to move your library as soon as possible.

Downloading your Kindle books one by one could take days. But this hack helped me download thousands in far less time. Here's how it works, step-by-step.

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.