Paperback in Very Good condition. Bottom right corner of front cover has been torn off and the edges have slight foxing. Previous owner's name is on the inside of the front cover. 1947 1st edition. 275 pp. This book is written for those already interested in natural history and for individuals who derive keen pleasure from constantly becoming better acquainted with their environment. Technical terms and scientific jargon have been avoided, but numerous details are included because much of the fascination of animal behavior lies in its complexity.