The author, a well trained worker in the field of mental hygiene, has accurately gaged the need for authoritative information concerning the hygiene of the mind and has made a laudable effort to fill the void. She has produced an excellent book. No doubt repeated disappointments resulting from the lack of mental hygiene consciousness in physicians, nurses, lawyers, parents, teachers, educators and others led the author into the error of making her book too inclusive. In twelve chapters there is discussed the relation of mental hygiene to medicine, nursing, social service, delinquency and law, parental education, the preschool child, education and teacher training, the church and theological training, industry, recreation and psychiatric institutions and agencies. The chapters on medicine, nursing and education are especially good. They point a need that continues to hamper progress in these fields and indicate clearly that mental hygiene should not be an adornment but a