This book resembles in format the one dealing with coronary disease previously published by the author, except that the topic is diseases of the heart rather than those of its blood vessels. This is the second of a trilogy, the last volume of which is to deal with the therapy in heart disease. It is interesting that, despite the energies devoted to destruction, time and energy seem to be available in Germany to write and publish books for the amelioration of disease.
The author takes occasion to incorporate his own work and his extensive knowledge of the literature which he has accumulated in the course of many years of diligent effort in this field. It contains non-German as well as German literature, with a large representation of recent American work. The bibliography is extensive and representative. This work is modern in that the subject is introduced by a section on