1990 - Managing Planet Earth Readings From Scientific American Magazine (Paperback) ISBN-13: 9780716721086 ISBN-10: 0716721082 Genres: Business & Money, Science & Math 2 1983 - The Planets (Paperback) ISBN-13: 9780716714682 ISBN-10: 071671468X Genres: Science & Math, Engineering & Transportation ? 1977 - Cosmology 1 Readings From Scientific American (Paperback) ISBN-13: 9780716700425 ISBN-10: 0716700425 Genre: Science & Math 1 |