This volume represents a valuable and timely addition to the literature of nutrition. A compilation of papers by twenty-eight of the leading American authorities in the clinical, biochemical and physiologic aspects of the field, it is complementary to an earlier volume, "The Vitamins: A Symposium," published in 1939 under the auspices of the Council on Pharmacy and Chemistry of the American Medical Association.
Broader in scope than the earlier symposium, it should be studied with care by clinicians, nutritionists and dietitians—in fact by all who are concerned with the broad and numerous problems of human metabolic economy. Its publication now is a notable service to physicians and to their colleagues in related fields. Appearing in wartime while clinicians everywhere are confronted with often unfamiliar and perplexing nutritional problems, it can be considered a signal contribution to the war effort, for it provides much of the best and latest information on