1989 - Stephen Hawking's Universe (Paperback) → Paperback, Hardcover, Audio Cassette ISBN-13: 9780380707638 ISBN-10: 0380707632 Genres: Biographies & Memoirs, Reference, Science & Math, Engineering & Transportation 3 1985 - Stephen Hawking's Universe (Paperback) → Paperback, Hardcover, Audio Cassette ISBN-13: 9780688062705 ISBN-10: 0688062709 Genres: Biographies & Memoirs, Science & Math, Engineering & Transportation 7 |