Turn Left at Orion - Spiralby Guy Consolmagno (Author), Dan M. Davis (Author) With over 150,000 copies sold since its first publication, this is one of the most popular astronomy books of all time. This unique guidebook to the night sky shows you how to observe a host of celestial wonders. Its distinct format of object by object spreads illustrates how deep sky objects and planets actually look through a small telescope, while its large pages and spiral binding allow for use