Primates and philosophers : how morality evolved / Frans de Waal ; [contributors], Robert Wright, Christine M. Korsgaard, Philip Kicher, Peter Singer ; edited and introduced by Stephen Macedo and Josiah Ober
2009, Paperback edition. Princeton : Princeton University Press. Fine paperback copy. Particularly and surprisingly well-preserved; tight, bright, clean and especially sharp-cornered. Physical description; (1 volume). Subjects; Altruistic behavior in animals. Ethics, Evolutionary. Primates Behavior. Ethics & Moral Philosophy. Sciences Zoology Primatology.