1997 - Gorillas in Our Midst the Story of the Columbus Zoo Gorillas (Hardcover) → Paperback, Hardcover ISBN-13: 9780814207666 ISBN-10: 0814207669 Genres: Travel, Science & Math, Engineering & Transportation ? 1997 - Gorillas in Our Midst the Story of the Columbus Zoo Gorillas (Paperback) → Hardcover ISBN-13: 9780814207673 ISBN-10: 0814207677 ? 1997 - Gorillas in Our Midst the Story of the Columbus Zoo Gorillas (Hardcover) → Paperback, Hardcover ISBN-13: 9780814207918 ISBN-10: 081420791X Genres: Science & Math, Engineering & Transportation ? |