Sign up with Kindle Daily Deals and pick one of 18 Kindle books for free.

More info:

Until May 31, 2013, first-time subscribers to the Kindle Delivers Daily Deals qualify for a promotional credit to get one selected Kindle book for free.   

How to Get Your Free Kindle Book

1. Click the “Sign-up” button. If you are not signed in to your Amazon.com account, you will be prompted to do so.

2. Once you are signed in and you have clicked the button, a pop up box will appear. Make sure the box next to “Kindle Daily Deals” is checked and click the “Submit” button.

3. If you are a first-time subscriber to the Kindle Daily Deal Newsletter, you will receive an e-mail with your unique promotional credit that will allow you to purchase one of the selected Kindle books below for free.

4. Once you have received your code, follow the instructions in your e-mail to redeem it. Please do not purchase a Kindle book below until you receive your code in e-mail.