2004 - Introduction to Comets [Cambridge Planetary Science] (Paperback) → Hardcover ISBN-13: 9780521004664 ISBN-10: 0521004667 Genre: Science & Math ? 2004 - Introduction to Comets [Cambridge Planetary Science] (Hardcover) → Paperback ISBN-13: 9780521808637 ISBN-10: 0521808634 Genre: Science & Math ? 1992 - Rendezvous in Space the Science of Comets (Hardcover) ISBN-13: 9780716721758 ISBN-10: 0716721759 Genre: Science & Math ? 1984 - The Comet Book a Guide for the Return of Halley's Comet (Other) → Paperback ISBN-13: 9780867200294 ISBN-10: 0867200294 Genres: Science & Math, Engineering & Transportation 1 1982 - Introduction to Comets (Paperback) → Hardcover ISBN-13: 9780521272186 ISBN-10: 0521272181 Genre: Science & Math ? 1981 - Introduction to Comets (Hardcover) → Paperback ISBN-13: 9780521239066 ISBN-10: 0521239060 Genres: Science & Math, Engineering & Transportation ? The Comet Book a Guide for the Return of Halley's Comet (Paperback) ISBN-13: 9780867200287 ISBN-10: 0867200286 Genre: Science & Math ? |