For each $25 or more you spend in HPB Gift Cards, either purchased in-store or online, you'll receive a $5 Bonus Card. Offer valid through May 8, 2016. The $5 Bonus Card is valid May 9 – 26, 2016 in HPB brick-and-mortar locations only. Redemption details: $5 discount applies to pre-tax amount. Customer must surrender the $5 Bonus Card at time of purchase in order to receive discount. Limit one per customer, per visit. Not valid during sales or in combination with any other discount or coupon. Cannot be used to purchase gift cards. Duplicates or photocopies not accepted. Not redeemable for cash and non-refundable, except where required by law. No change or cash back for any unused amount. This $5 Bonus Card will not retain a balance and has no cash value. One time use only for up to $5 off a single purchase. Lost or stolen coupons will not be replaced. Sorry, but HPB Gift Cards, Bonus Cards, coupons and other discounts cannot be used at Half Price Books Outlet or online at HPB Marketplace.