Borders: Buy 1 Get 1 Book 50% off: Instore or Online

This deal is expiring soon, but I thought someone might could use it.  Click here to print a coupon for Buy 1 Get 1 Book 50%.  This offer is also good online by using Promo Code: SAF8618B.
This offer is valid only for Borders Reward Members, but membership is free and you can sign up here.
Don't wait long --- this deal expires 2/8/2010.

If you shop online, be sure to shop through Ebates where you can receive an additional 4% cash back on your entire purchase.