Shutterfly has a new 50% off hardcover photo book coupon starting today which also includes the savings on additional pages. Just use coupon INVITEONLY through July 24, 2013 for the savings. If you have more than one book to make (or want to order a second copy), you can also use coupon code FRIENDS50 to save 50% on photo books too. Each coupon is valid once during the promotion per billing address.
Be sure to also use coupons SHIP30 to get free shipping for all purchases over $30 and CARD4U to get one free card too!