Sportology Pubns

year of pub­li­ca­ti­onISBNauthor(s)title
1989978-0-9622890-0-2Jack H. KoehlerScience of Pocket Billiards
1995978-0-9622890-2-6Jack H. KoehlerThe Science of Pocket Billiards
  ''978-0-9622890-3-3   ''Upscale One-Pocket
2000978-0-9622890-7-1   ''Upscale Nine-Ball