The first part of this book outlines the background of mental hygiene, including the family, biological, medical, psychological, psychiatric, educational, sociological, social work, legal, home and religious aspects. The second part treats of the application of mental hygienic principles to domestic problems as practiced by the family counselor. The subject matter is well organized and the style quite readable. The authors undertake the difficult task of condensing and correlating the material of the various fields which contribute to mental hygiene. They do not identify themselves with any particular school and in general maintain a satisfactory perspective. In the second part, the technique of family