The author has collected and presented in an interesting monograph previous experiences with and present knowledge concerning hypothermia. Historical material, as well as observations made in both experimental laboratories and clinical practice, is included. Some inherent risks involved, complications that occur, unsolved problems that exist, and controversial subjects are presented. The references listed at the end of the book should be of great interest to workers in this field. This book is highly recommended to medical students and to all physicians concerned with any aspect of hypothermia.