UPSCALE NINE-BALL (CONDENSED VERSION) UPSCALE NINE-BALL is the last in series of pocket billiard books by the author Jack H. Koehler. Mr. Koehler is also the author of the extremely highly regarded book titled THE SCIENCE OF POCKET BILLIARDS. Many pool players progress from playing casual EIGHT-BALL with friends to playing in organized leagues. The next most probable step is to play NINE-BALL, and specifically NINE-BALL tournaments. This book is aimed...