1993 - Outside Inside Trees (Hardcover) ISBN-13: 9780027623130 ISBN-10: 0027623130 Genres: Children's Books, Science & Math ? 1991 - The Kids' Earth Handbook (Hardcover) ISBN-13: 9780689317071 ISBN-10: 0689317077 Genres: Children's Books, Science & Math, Engineering & Transportation ? 1989 - Power Up (Hardcover) ISBN-13: 9780689314421 ISBN-10: 0689314426 Genres: Children's Books, Teen & Young Adult 2 |