As it turns out, carrying around a million titles in your pocket (or your backpack) will only weigh you down by about half a pound. How can this be, you ask? Through the magic of Kindle Unlimited.

With two dates already behind us, the final Stuff Your Kindle Day in January for free e-books off Amazon is Tuesday, Jan. 28.

The good news is that Amazon is running an exciting Kindle Unlimited offer for new customers. If you'd like access to the subscription service for free, read on for everything you need to know.

And while the handy device makes it easier to find and purchase titles, the site's Kindle Unlimited service offers ... for ...