Boston: Houghton Mifflin Co., 1971. First Edition. Hard Cover with Dust Jacket. Octavo. Item #4146
First printing, 297pp., bound in gray pictorial cloth lettered in green, spine lettering green and black, illustrated with photographs by Hugo Van Lawic, a fine copy in very good unclipped pictorial dust jacket with chip to head and light wear to head and corners. One of the most enthralling stories of animal behavior ever written.