Co-editor Marc Bekoff. Based on the proceedings of a symposium in June 1977 at the Annual Meeting of the Animal Behavior Society at Pennsylvania State University. Pictorial dust jacket, brown cloth-covered boards, gilt titles to spine, 429 pages. Previous owner’s name (“Patrick Bateson 25th November 1978”) to front free end paper. Condition: Dust jacket worn, chipped and grubby, book clean and bright. Stamped “Review Copy from Science” to front paste down.