This deal has ended.
Buy.com has the Harry Potter Paperback Boxset (Volumes 1 through 6) for $30. Pay via Google Checkout and get a $10 off $30 discount that cuts the price to $20 (you can also spend $50 and get a $20 discount). The Boxset, one of the top holiday gifts this year, is atleast $32 at other stores and retails for over $50. Shipping adds $3.30. There is no sales tax (except CA, MA, MD, TN), an additional savings off your local book store.