Modern Nishikigoi is a book published on 1986 by Dr Takeo Kuroki, which has been out of print for a long time. Since it is a first book to introduce many non-Gosanke koi many koi lovers told us they want to keep it as their good memories. Now it’s digital data and online at our website. It may be old information and pictures but we can still learn a lot from the classic.
The book and magazine issues are available if you become a paid member at rinkoonline.