By James J. McCort, M.D., Director of Radiology, Santa Clara County Hospital, San Jose, Calif. Cloth, $10.50. Pp. 252, with figures. Philadelphia, Penna., Saunders, 1966. The growing number of cases of blunt abdominal trauma in our ever-expanding hospital emergency rooms requires us to be as familiar with the roentgen signs of abdominal injury as we are with injuries of the extremities. Dr. McCort's excellent monograph amply meets the needs of radiologists and others who may be called upon to treat these cases. The book is both a text and a beautifully illustrated atlas. The text is succinct and clear, and there are many illustrative cases, supplemented by skillfully drawn diagrams. Enough clinical information is given to place in perspective the problem with which the radiologist is presented. The number of different radiological signs available on the plain films and on the gastrointestinal and urographic studies is small, but the author demonstrates how a skillful radiologist, aware of the different types of injury which occur, can put these signs together and render an accurate roentgen diagnosis. Many radiologists, particularly those who do not frequently see cases of abdominal trauma, are not familiar with the several different syndromes which trauma to any organ may produce. A simple and useful clinicopathological classification is given. Localization of bleeding, gas, and fluid indicates which of the anatomic compartments of the abdomen is involved and elucidates the type of injury. The author indicates when plain film findings lead to contrast studies of the gastrointestinal, urinary, or vascular systems to establish clearly the type of injury. It would have been a little easier to read the book if the illustrations always followed closely upon the text but this is difficult to achieve in a volume with as many illustrations as this one. The binding, paper, and type are of good quality. Read through, this book will give the radiologist a well organized approach to the roentgen diagnosis of all commonly encountered blunt abdominal injuries. On the working bookshelf in the emergency film interpretation room, it will serve most effectively as a manual and atlas.