This is the third volume in a series of monographs devoted to the theory and practice of psychotherapy. The author, Dietrich Langen, senior physician at the Clinic for Nervous Diseases of the University of Tubingen, examines the Asiatic methods of meditation and liberation and critically analyzes their relevance for occidental psychotherapy. The fluently written volume is illustrated by several halftones and contains an extensive review of the pertinent literature. In succession, the author summarizes the practices of shamans, dervishes, yogis, Buddhists, and Taoists, and he concludes with a description of Zen Buddhism. Control, concentration, abandonment, and meditation as well as training of the autonomic functions are discussed, not so much from the point of view of the philosopher or theologian as from the standpoint of the physician who is interested in mental and physical methods of rehabilitation. This concise treatise gives the Western therapist who possesses a reading knowledge