1987 - The Universe (Paperback) → Hardcover ISBN-13: 9780553347821 ISBN-10: 0553347829 Genres: Science Fiction & Fantasy, Science & Math 1 1987 - The Universe (Hardcover) → Paperback ISBN-13: 9780553052275 ISBN-10: 0553052276 Genres: Science Fiction & Fantasy, Science & Math 1 |