We had another thread on this exact same subject recently. Links to the original book/site in the thread:
need the book or magazine
I'm going to use the concept (or at least half) for the "other" side of a quilt made with a panel. Love the idea. I was sketching on it at my small group because I will be using wider chunks of fabric and one of the other ladies became taken with the idea! It's a great project.
Edit: Checked Amazon and they have multiple options for extremely reasonable prices.