Thumb Score: +132 Click here [amazon.com [amazon.com]] to claim credit Credit must be used on an eBook on the deal page [amazon.com]. Looks like the cheapest book is $3.99. Credit must be claimed and used by 11:59 p.m. PST on November 30, 2017. You can read your eBook on Kindle e-reader or Fire tablet, or any device with the free Kindle App.