Chaumet, Christophe: - For over twenty years, Christophe Chaumet has practiced hypnotherapy to treat various psychological disorders. He has also led training courses in hypnotherapy and self-hypnosis and created several websites on these topics. With degrees in psychology and mathematics, in this book he shares his experience by providing explanations and easy-to-understand examples. He is the author of several books on hypnotherapy and self-hypnosis.