I'm gonna have to go to Staples and buy me a bound book... I got mine in the mail just the other day! By bound book, I assume they mean like a Marble Notebook
I got this from Brownels. it is the official bound book. It is like 3 or 4 bucks.
http://www.brownells.com/aspx/NS/store/ProductDetail.aspx?p=1694&title=FIREARMS RECORD BOOKS