The Bonny Method of Guided Imagery and Music (GIM) is a psychotherapy method in which music is used. The patient listens to a selection of mainly classical music in a relaxed state while communicating his or her experiences (= imagery) to the therapist. Theoretical backgrounds, clinical applications, and theory of music and of imagery specific to GIM and its modifications - these areas are covered in this textbook. The authors give an extensive and comprehensive insight into the method both for clinical mental health care professionals, and for GIM-students.