Amazon Prime Kindle Owners Lending Library allows you to check out free books on Kindle. In general you’re allowed to check out any eligible book during a month, be that calendar month or 30 day period. You can keep it for as long as you want, but then must “return” it before you can check out another. In practice it’s quite simple and one of the ways to get free books on Kindle. Announcing New Additions to The Kindle Unlimited Program Tip: I have had people do this with several of my books, but there is on major “gotcha” that could bite you in the butt unexpectedly. You must use your Kindle to find the book in the store, and you must click the “Borrow for Free” button in gray below the “Buy for..” button in orange. Otherwise you will be charged for it. In that case so long as you have not read up to a certain point (I believe 10%) you can return it. Then you can get your free books on Kindle the way Amazon wants you to. Free Books On Kindle Owners Lending Library ...