2016 - Nearearth Objects Finding Them Before They Find Us (Paperback) → Hardcover ISBN-13: 9780691173337 ISBN-10: 0691173338 Genre: Science & Math ? 2012 - Nearearth Objects Finding Them Before They Find Us (Hardcover) → Paperback ISBN-13: 9780691149295 ISBN-10: 0691149291 Genre: Science & Math ? 1991 - Comets a Chronological History of Observation Science Myth and Folklore (Hardcover) ISBN-13: 9780471610113 ISBN-10: 0471610119 Genres: Science & Math, Engineering & Transportation ? 1985 - Comet Halley Once in a Lifetime [American Chemical Society Publication] (Hardcover) ISBN-13: 9780841209053 ISBN-10: 0841209057 Genres: Science & Math, Engineering & Transportation ? Comet Halley Once in a Lifetime (Paperback) ISBN-13: 9780841209114 ISBN-10: 0841209111 Genre: Science & Math ? |