If you have an Amazon Prime account, then you can now borrow out one book a month from the Amazon Kindle Lending Library. You must of course own a Kindle and have an Amazon Prime account in order to use this new benefit. To start borrowing books, you can do so right from your Kindle.
Find out more details and see instructions on how to borrow books from the Amazon Lending Library.
Sign-up for a free 30-day trial of Amazon Prime, and get free 2-day shipping on any size order for items sold directly from Amazon. In addition, you will also get free instant streaming of thousands of movies and shows.