Kobayashi Style: Guaranteed Victory in Go Placement (Oki-go) by Kobayashi Koichi - Eugene Edition, 6-book set Author or Supervisor: Kobayashi Koichi - For games with 2 to 7 handicap stones As these are used books, please understand that there may be dirt, sun fading, writing, dog-eared pages, etc. Some outer covers may have damage or dirt. Thank you for your understanding.