Book excerpt: For nearly four decades, Trancework has been the definitive textbook for thousands of professionals undergoing training in the art and science of clinical hypnosis. Now in its 5th edition, this classic text continues its legacy of encouraging sound clinical practice based in established scientific research. This latest edition incorporates new studies and emerging topics within the field of hypnosis, including new chapters on depression and the construction of process-oriented interventions. Readers can expect to receive a comprehensive overview of current developments in the domain of hypnosis, an in-depth consideration of the practical and ethical issues associated with its use, and a greater appreciation for its many therapeutic applications. This thorough, engaging text equips professionals with the essential skills to change clients’ lives by using hypnosis to enhance treatment of both medical and psychological issues.