2010 - The Human Mission to Mars Colonizing the Red Planet (Hardcover) ISBN-13: 9780982955239 ISBN-10: 0982955235 Genre: Science & Math ? 2006 - Return to the Moon Exploration Enterprise and Energy in the Human Settlement of Space (Hardcover) ISBN-13: 9780387242859 ISBN-10: 0387242856 Genres: Science & Math, Engineering & Transportation ? |