The Psychology and Behaviour of Animals in Zoos and Circuses By H. Hediger Books / Paperback Nature › Animals Publisher: Dover, January 1968 Price $19.96 Free Shipping Send to a friend Used - Good Good condition. ( animals, psychology, zoo, circus ) A copy that has been read but remains intact. May contain markings such as bookplates, stamps, limited notes and highlighting, or a few light stains. $19.96 1 in Stock at Warehouse Quantity Add Free Shipping to continental U.S. OR $1.00 per item discount if shipped to store.