The Invisible Billet by Bob Cassidy AUDIO DOWNLOADWhat if you could have a powerful technique that makes billets virtually invisible in your hands? Or an impression device hidden in an innocent item that no one would think twice about yet it becomes a deadly information gathering tool in your mentalism arsenal? Even better yet, taking Dr. Seuss' beloved book "Green Eggs & Ham" and using it to present a dynamic book test your audience will enjoy? Mentalism legend Bob Cassidy has done it again In his