For Cyber Monday, all Entertainment Book coupon books are on sale for $20 with free shipping. Additional books are just $15. (Valid 12/02/2013 12:00am EST – 12/04/2013 9:00 AM EST)
The cash back website Ebates is offering 45% cash back on Entertainment.com purchases – $20-$9 (45% cash back) = only $11 net cost. This is generally close to the lowest price on these until spring.