PATHOLOGY OF TUMOURS. By R. A. Willis, D.Sc., M.D., F.R.C.P., Sir William H. Collins Professor of Human and Comparative Pathology, Royal College of Surgeons, London. 9?x7 in Pp. xxiii+992, with 500 figures. Index. 1948. London: Butterworth & Co., Ltd. Price 63/-, plus 1/6 postage