1999 - Sex and Friendship in Baboons (Paperback) → Hardcover ISBN-13: 9780674802759 ISBN-10: 0674802756 Genres: Health, Fitness & Dieting, Nonfiction, Science & Math, Engineering & Transportation ? 1985 - Sex and Friendship in Baboons (Hardcover) → Paperback, Hardcover ISBN-13: 9780202020273 ISBN-10: 0202020274 Genres: Crafts, Hobbies & Home, Science & Math, Engineering & Transportation ? |