When one enters card magic, the books are endless. Coming across By Forces Unseen is a special moment in any card magician's growth. It is a pleasure to read. Beautifully written and researched by Stephen Minch, you will find many other books mentioned in the references that will advance your pasteboard path. Ernest Earick is a genius. Simply put when you learn the routines in this book your appreciation for sleight of hand will captivate your imagination.The construction of effects and sleights stand the test of time. It is a must have.