Book reviewed in this article:“A System of Surgery.” Third edition; edited by C. C. Choyce, C.M.G., C.B.E., M.D., F.R.C.S., Professor of Surgery, University of London. Surgeon, University College Hospital. Pathological editor: J. Martin Beattie, M.A., M.D., C.M., M.R.C.S.“A Textbook of Midwifery in the Tropics.” By V. B. Green‐Armytage and P. C. Dutta.“Recent Advances in Obstetrics and Gynaecology,” by Aleck Bourne, F.R.C.S., and Leslie Williams, F.R.C.S.“Synopsis of Midwifery and Gynaecology,” by Aleck W. Bourne, M.B. F.R.C.S.“The Relative Value of Radiotherapy in the Treatment of Cancers of the Upper Air‐passages,” by W. Douglas Harmer.“Child Care To‐day.” By Bela Schick, M.D., and William Rosenson, M.D.“Radiologic Maxims,” by Harold Swanberg