Koji for Life by Nakaji
If you are interested in making koji - and love pictures and Japanese language - or a more pictoral way of making koji this is a cute little book, that you'll love having on your bookshelf. The author, Nakaji-san, who has presided over koji-making schools in Japan and other parts of the world, makes growing koji seem easy.
This bookalso iintroduces how to make amazake, lactic acid fermented amazake, bodaimoto doburoku, koji powder, making koji from rice koji, and how to transfer seeds.
In Japanese, with English translation. 63 pages