2003 - Astronomy a Physical Perspective (Hardcover) → Paperback, Hardcover ISBN-13: 9780521821964 ISBN-10: 0521821967 Genres: Science & Math, Engineering & Transportation ? 2003 - Astronomy a Physical Perspective (Paperback) → Hardcover ISBN-13: 9780521529273 ISBN-10: 0521529271 Genres: Science & Math, Engineering & Transportation ? 1987 - Astronomy a Physical Perspective (Hardcover) → Paperback, Hardcover ISBN-13: 9780471604990 ISBN-10: 0471604992 Genres: Science & Math, Engineering & Transportation ? Student's Study Guide to Astronomy Now (Paperback) ISBN-13: 9780721671024 ISBN-10: 0721671020 Genre: Science & Math ? |