1998 - The Night Sky Observers Guide Vol 2 (Hardcover) ISBN-13: 9780943396606 ISBN-10: 0943396603 Genres: Science & Math, Outdoors & Nature ? 1998 - The Night Sky Observer's Guide Vol 1 (Hardcover) ISBN-13: 9780943396583 ISBN-10: 0943396581 Genres: Science & Math, Engineering & Transportation ? The Night Sky Observer's Guide the Southern Skies (Hardcover) ISBN-13: 9780943396897 ISBN-10: 0943396891 Genres: Science & Math, Engineering & Transportation ? |