1962. 368 pp. Paperback in As-New condition. B & W frontispiece and illustrations. This volume, prepared by the world's foremost expert on bats, is the most thorough and comprehensive study of bats as a life-form. Written upon a middle level, so that it can be enjoyed and easily followed by a layman, yet can be studied with great profit by even a professional zoologist, it embodies a life-time of research and study, including many expeditions to primitive parts of the world to gather and observe local bats. 58 photographs and illustrations. 256 item bibliography. Unabridged Dover republication of 1939 edition.