2000 - Cheating Monkeys and Citizen Bees the Nature of Cooperation in Animals and Humans (Paperback) → Hardcover ISBN-13: 9780674001671 ISBN-10: 0674001672 Genres: Science & Math, Engineering & Transportation, Outdoors & Nature ? 1999 - Cheating Monkeys and Citizen Bees the Nature of Cooperation in Animals and Humans (Hardcover) → Paperback ISBN-13: 9780684843414 ISBN-10: 0684843412 Genres: Nonfiction, Science & Math, Engineering & Transportation ? |