  2009 - Observing the Sun [Practical Astronomy Handbooks] (Paperback) → Hardcover ISBN-13: 9780521056366 ISBN-10: 0521056365 Genres: Science & Math, Engineering & Transportation ?  1992 - Observing the Sun [Practical Astronomy Handbooks] (Hardcover) → Paperback ISBN-13: 9780521401104 ISBN-10: 0521401100 Genres: Science & Math, Engineering & Transportation ?  Beginner's Guide to the Sun (Paperback) ISBN-13: 9780913135235 ISBN-10: 0913135232 Genres: Science & Math, Engineering & Transportation ? |
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