Books-a-Million: $20 off $100

Through 5/30, use this Books-a-Million coupon code to take $20 off orders of $100 or more. Not valid on gift cards, magazine subscriptions, Rosetta Stone, The Elf on The Shelf, eBooks, LeapFrog products, MOTOROLA XOOM™ and XOOM™ accessories, digital devices, and NOOK™ accessories.