The CORE of Bob Cassidy's professional mentalism work involves the use of small slips of paper – billets. Now learn how he transforms two simple tools: pencil and paper, into stunning mind-reading. This is not a video loaded with tricks. If you're new to mentalism, you may be better off starting with Bob's Penguin LIVE lecture. For mentalist's who want to learn the way the master of billet-work operates, this information will be priceless.