Through December 5th, Amazon.com is offering $5 off a $15+ book purchase when you enter promo code GIFTBOOK at checkout (limit one use per account).
As an idea, there are quite a few American Girl Mini Doll and Book sets on sale, making for a great deal when you combine it with promo code GIFTBOOK at checkout.
Here are just a few of the deals I spotted:
*Note that these are selling quickly, so act fast!
Maryellen Mini Doll and Book (American Girl: Beforever) $15.39 (reg. $24.99)
Only $10.39 with promo code GIFTBOOK
Melody Ellison Mini Doll and Book $16.99 (reg. $24.99)
Only $11.99 with promo code GIFTBOOK
Lea Mini Doll and Book $17.13 (reg. $24.99)
Only $12.13 with promo code GIFTBOOK
Rebecca 2014 Mini Doll and Book $20 (reg. $24.99)
Only $15 with promo code GIFTBOOK
and Much MORE!