Advanced Skywatching the Backyard Astronomer's Guide to Starhopping and Exploring the Universe [Nature Company Guide] (Hardcover) ISBN-13: 9780783549415 ISBN-10: 0783549415 Genres: Science & Math, Engineering & Transportation ? Backyard Astronomy Your Guide to Starhopping and Exploring the Universe [Nature Company Guide] (Paperback) ISBN-13: 9780737000962 ISBN-10: 0737000961 Genres: Science & Math, Outdoors & Nature 1 Starhopping Your VIsa to VIewing the Universe (Hardcover) → Paperback ISBN-13: 9780521415903 ISBN-10: 052141590X Genres: Science & Math, Outdoors & Nature ? Starhopping Your VIsa to VIewing the Universe (Paperback) → Hardcover ISBN-13: 9780521598897 ISBN-10: 0521598893 Genres: Science & Math, Engineering & Transportation ? |