1996 - A Theory for Everything Essays and Short Fiction (Hardcover) ISBN-13: 9780387947006 ISBN-10: 0387947000 Genres: Science & Math, Engineering & Transportation ? 1989 - Mountain Passages (Paperback) → Hardcover ISBN-13: 9780671682767 ISBN-10: 0671682768 Genres: Sports & Outdoors, Travel, Nonfiction ? 1982 - Science Observed (Hardcover) ISBN-13: 9780465073405 ISBN-10: 0465073409 Genres: Computers & Technology, Science & Math ? |