During Amazon Prime Big Deals Day on October 8 and 9, you can save big on a few popular Kindle models and thousands of e-books. Below, we’ve rounded up our favorite Kindles and novels to stock up on—but the sales event ends tomorrow, so we recommend adding these to your cart sooner (rather than later).

Amazon’s October Prime Day (aka Prime Big Deal Days) is all about saving as much money as possible, which is what makes the best deals under $25 so special. This is all gear that’ll make your life a little easier (or more fun) and won’t break the bank.

To find the best Kindle, Mashable tested and reviewed all of Amazon's new e-readers. Find the best one for you ahead of Prime Big Deal Days coming October 8 and 9.