2004 - A Sideways Look at Time (Paperback) → Hardcover ISBN-13: 9781585423064 ISBN-10: 1585423068 Genres: Religion & Spirituality, Science & Math, Engineering & Transportation 3 2002 - A Sideways Look at Time (Hardcover) → Paperback ISBN-13: 9781585421848 ISBN-10: 1585421847 Genres: Science & Math, Engineering & Transportation 3 |