Shutterfly is offering a FREE 20-Page 8x8 Hardcover Photo Book (or a $29.99 credit towards a larger size) when you use promo code SUNNYBOOK at checkout! Note that you will have to pay shipping, which is $7.99.
This offer is valid through July 1st.
In case you missed it, you can also snag 100 FREE 4x6 Photo Prints as well!