1995 - The Undivided Universe (Paperback) → Paperback, Hardcover ISBN-13: 9780203980385 ISBN-10: 0203980387 Genre: Science & Math ? 1993 - The Undivided Universe (Hardcover) → Paperback ISBN-13: 9780415065887 ISBN-10: 0415065887 Genres: Nonfiction, Science & Math ? |