Entertainment.com is offering another sale on the 2008 Entertainment book. Right now all books are on sale for $15 plus free shipping. Ebates offers an additional $6 in cash back savings on all Entertainment Book purchases. Simply search Ebates for the words Entertainment Book to find the coupon offer. If you have an Ebates account you’ll pay $15 up front, and receive $6 back, resulting in a net price of $9.