When you Pre-order Frozen to send your receipt and your snail mail address to melissadlcoffice@gmail.com for a SIGNED copy of one of the Blue Bloods books!
You can Pre-Order Frozen here:
https://www.amazon.com/Frozen-Book-One-HEART-DREAD/dp/0399257543/ref=sr_1_1?ie=UTF8&qid=1362324418&sr=8-1&keywords=Frozen+Melissa+de+la+Cruz
https://www.barnesandnoble.com/w/frozen-melissa-de-la-cruz/1112693455