$5 off $20 Book Purchase on Amazon + Free Shipping! - NEW OFFER, CAN USE AGAIN

Amazon Books Sale: $5 off a $20 or More Purchase of Books + Free Shipping when you enter coupon code GIFTBOOK18 at checkout. Valid through 12/21, once per account.  

1. CLICK HERE add $20 or more of books. Mix and match any way you want. Can be a few books that add up to $20 or one book over $20. 
2. Must be sold from Amazon, NOT third party sellers
3. At checkout change it to free shipping instead of the paid shipping (if you have prime then skip this)
4. Use coupon code GIFTBOOK18 at checkout for $5 off.