1998 - Understanding the Infinite (Paperback) → Hardcover ISBN-13: 9780674921177 ISBN-10: 0674921178 Genres: Nonfiction, Science & Math, Engineering & Transportation 1 1994 - Understanding the Infinite (Hardcover) → Paperback ISBN-13: 9780674920965 ISBN-10: 0674920961 Genres: Nonfiction, Science & Math, Engineering & Transportation ? |