it before I purchased my first telescope. (John O. Christensen Science Books and Films 2003-10-15)More than any other guide to backyard observing, this excellent book focuses on equipment. (Astronomy 2004-11-00)With over 500 color photographs and illustrations, this book is a valuable, beautiful and user-friendly astronomy reference. (Lunar and Planetary Information Bulletin, Lunar an 2008-12-00)A