Subtitled The Art of Conquering Your Nerves -- this book is the result of eighteen years practical experience on diagnosis and treatment of psychosomatic ills. His intention is to help neurasthnics see what is back of their emotional fatigue, how retraining of mental habits is possible. Rest is not a cure --activity, of the right sort -- is. He gets the emotional bases of war -- neuroses and shows how mental frustration, from various causes, is responsible more often than nervous exhaustion. Who is subject to neurasthenia, what are the symptoms, the causes, the cure. Advice to families.