In this volume Dr. Jordan follows a new routine that is an outgrowth of his popular daily medical advice column that appears in various newspapers through the country. The 10 subjects considered to be of greatest general interest are treated in separate chapters. After introductory discussions of varying length, in which basic orientation is provided, the author presents brief discussions of various disorders that can affect the organ or system under consideration. In the chapter on the heart, for example, rheumatic heart disease, irregularities in the beat, murmurs, coronary occlusion, the relation of the heart to dropsy, and the effect of athletic activities on the heart are discussed. Following these more detailed explanations is a special section containing specific questions and brief answers. This same routine is followed in chapters on blood pressure, the digestive system, cancer, infections, the skin, arthritis, allergy, eyes, and ears. By this procedure, Dr. Jordan