Pre-order Hunger and Thirst from Barnes & Noble on December 30 through Thursday, January 1 and you can get a 25% discount.

Just use the code PREORDER25 on their website.

B&N Rewards members will get 25% off pre-orders, and B&N Premium members will get 25% off, plus an additional 10% discount. Becoming a Rewards member is free and can be done online.