ARDREY, ROBERT. — The Social Contract. A Personal Inquiry into the Evolutionary Sources of Order and Disorder. (Illustrated by Berdine Ardrey.)

London: Collins, 1970. 1st ed. "He makes scientific conclusions visible for the layman in a way that scientists can rarely accomplish in a brilliant new book that offers a powerful challenge to accustomed thought." Pp. 405/1 Biography, 48 b/w illustrations. Mottled green cloth, gilt title to spine, illustrated d/w has minor edge wear. VG/G+.