In this book the whole story of pneumonia is told clearly and forcibly. The clinical picture of pneumonia first is dealt with, and then are described the laboratory and roentgen methods employed in diagnosis. The manner in which typing of sputum, blood cultures and agglutination tests should be carried out and the significance of these laboratory tests are particularly well presented.
The second section of the book deals with general principles of treatment. This also makes interesting reading for the clinician. It is thoroughly up-to-date, for even the therapeutic value of sulfanilamide and its derivatives is mentioned. The question of treatment is taken up sanely, and the author evaluates therapeutic results in terms of his own experience, which makes what he says all the more pertinent: "Diathermy has not been associated with a reduction in mortality among bacteremic patients." "We did not find that pneumothorax benefitted blood invaded patients, the