Heart sounds and murmurs: A clinical and phonocardiographic study: By P. A. Ongley, Consultant in Pediatrics, Mayo Clinic, Rochester, Minn.; H. B. Sprague, Board of Consultation, Massachusetts General Hospital and Past President, American Heart Association; M. B. Rappaport, Former Head of Department of Electrophysiologic Research, Sanborn Company, Waltham, Mass.; A. S. Nadas, Cardiologist, Childrens Hospital, Boston, Mass. New York, 1960, Grune & Stratton, Inc., 360 pages. Price $9.75