NHK Igo Koza
NHK Igo Koza (NHK 囲碁講座, NHK Go Lecture) is a Japanese language magazine published by NHK Shuppan from 1986. Linked to NHK TV Go programs: NHK lectures and NHK Cup games. Typically about 60 pages. You may view sample pages by clicking orange-colored "試し読み" buttons on the publisher's site. Kindle editions are available on Amazon Japan.