A thorough revision of the bestselling guide to the night sky - over 100,000 copies sold! The first edition of The Star Guide introduced readers of all ages to the wonders of the night sky. Now comes the highly anticipated revised edition, expertly updated by one of the world's leading writers on astronomy and space. Illustrated throughout in full color, the guide features spectacular new photographs from the Hubble Space Telescope, more than 60 easy-to-use star charts, and an invaluable detachable planisphere. Special sections explain the nature of stars and galaxies and what makes the universe tick.