Downloading your Kindle books one by one could take days. But with this clever step-by-step hack, you can grab 25 at a time and save your entire collection before Amazon locks it down this week.

Amazon has revised the text when purchasing a Kindle e-book on its online store. You do not own the book you bought but are licensing it. It used to say 'By clicking on above button, you agree to Amazon's Kindle Store Terms of Use.

Amazon Kindle users have been warned that a feature will be removed from the popular device later this week, but there's a 'critical' task you should do before then