1998 - T Rex and the Crater of Doom (Paperback) → Hardcover, Audio Cassette ISBN-13: 9780375702105 ISBN-10: 0375702105 Genres: Science & Math, Engineering & Transportation 3 1997 - T Rex and the Crater of Doom (Hardcover) → Paperback, Audio Cassette ISBN-13: 9780691016306 ISBN-10: 0691016305 Genres: History, Science & Math, Engineering & Transportation 1 |