Otherlands a Journey Through Earth's Extinct Worlds (Hardcover) → Paperback ISBN-13: 9780593132883 ISBN-10: 0593132882 Genre: Science & Math ? Otherlands a Journey Through Earth's Extinct Worlds (Paperback) → Hardcover ISBN-13: 9780593132906 ISBN-10: 0593132904 Genres: History, Science & Math ? |