text: So far they have published Ryushin, a collection of line-work of dragons and folk-tale heroes, "Kokoro" a book to point out some links between the Japanese zen spirit and Japanese traditional Irezumi, "Dentouwaza" a book on the Irezumi Tattoo work of Horiyoshi 3's long time friend Nakamura-sensei from Kyushu and "Osen" a book on old Irezumi designs from Horiyoshi 3's collection.