1976 - 1001 Questions Answered About the Seashore (Paperback) → Hardcover ISBN-13: 9780486233666 ISBN-10: 0486233669 Genres: Science & Math, Engineering & Transportation 4 1972 - Wonders of the World of Wolves (Hardcover) → Hardcover ISBN-13: 9780437267528 ISBN-10: 0437267520 ? 1970 - Wonders of the World of Wolves (Hardcover) → Hardcover ISBN-13: 9780396071556 ISBN-10: 0396071554 Genre: Science & Math ? Wonders of How Animals Learn (Other) ISBN-13: 9780396077015 ISBN-10: 0396077013 Genre: Children's Books ? |