Editore: Liveright, New York, 1971
Da: Bolerium Books Inc., San Francisco, CA, U.S.A.
Prima edizione
Hardcover. x, 465p., illustrated with a frontis portrait and a chapter with diagrams, hardbound first edition in openweave black cloth boards gilt and enclosed in the glossy dust jacket (which supplies a second, differing portrait). The book itself is crisp, square, perfectly sound, clean and unmarked (really as new) while the dust jacket is slightly edgeworn. An excellent copy in every respect. The psychologist performed numerous experiments with chimpanzees, assessing intelligence. Speaking of "intelligence", Kohler may have passed information to wartime Germany; a much-noticed 1990 book by Ronald Ley, "Whisper of Espionage", makes a case for this.