The review of this book can be brief. In its 650 pages it contains the contributions of descriptive and experimental psychology to the processes of learning and teaching. Seen from this point of view it is an industrious, well ordered book, but it contributes nothing new.

From the beginning to the end it is imbued with J. B. Watson's behaviorism. Throughout the emphasis is placed on training; proper training in sex matters prevents the conflicts of adolescents. Thorough knowledge of the mental and emotional growth of the individual is strongly advocated; however, the discussion dealing with these problems creates the impression that growth is something exactly measurable and that we are easily able to determine a psychic diet fulfilling the requirements for a proper intellectual and emotional development. In the chapter on personality and problems of adjustment a short paragraph is devoted to 'detours in adjustment'. Compensation, repression and negativism are briefly