Symposium on Information Theory in Biology. The proceedings of a symposium held in Gatlinburg, Tennessee, Oct. 29–31, 1956: Edited by Hubert P. Yockey, Oak Ridge National Laboratory; with the assistance of Robert L. Platzman, Purdue University, and Henry Quastler, Brookhaven National Laboratory. Pergamon Press, Inc., New York, N. Y., 1958. xii + 418 pp. Price $12.00