Twenty-one of the twenty-three chapters in this book are written by two of the best investigators of acute rheumatic fever and of the chronic forms of arthritis. Both have contributed much to knowledge of these diseases. In this edition they have presented the new as well as the more established ideas about etiology, bacteriology, pathology and treatment of rheumatic diseases. There is an excellent review of the literature of rheumatic fever, dealing with predisposing causes, pathology, bacteriology, tonsillitis and rheumatism, allergic factors, electrocardiography, immediate treatment with drugs, vaccine and serum therapy, and convalescent treatment. There is a shorter but good review of the recent work on rheumatoid arthritis and osteo-arthritis, with chapters on the comparison of acute and chronic types of rheumatism, industrial aspects, predisposing causes, pathology and radiology, bacteriology, focal infection, constitutional disturbances, clinical problems and treatment. The last includes general measures, vaccines, protein shock, apiotherapy, histamine, diet, gold