A cool new perk recently became available for Prime members: for a limited time, you can get a three-month subscription to Kindle Unlimited. If your ebookshelf is looking bare, Amazon is currently offering a three-month subscription to Kindle Unlimited for free. The service typically costs $11.99 per month, so the deal saves you $35.97 over the course of the trial. Keep in mind that your subscription will automatically renew once the trial period is over. The discount is one of Amazon’s early Prime Big Deal Days deals (that’s a mouthful), dropping well ahead of the October 7th event. We’ll be on the hunt for more early deals as that date approaches.

Kindle Unlimited is a subscription service that gives you access to a library of over four million books, thousands of audiobooks, and an assortment of magazines. You can download items from the Kindle Unlimited library onto — you guessed it — a Kindle, or any device with the Kindle app. The library is large enough that you should be able to find books in your favorite genres (perhaps by your favorite author, too) and three months is plenty of time to tear through a full series or two.

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