Most Popular Books
- Walk the river name of Japan (Kodansha plus Alpha Books) (2003) ISBN: 4062722046 [Japanese Import]
- Japan (Iwanami Shoten) and dam (2001) ISBN: 4004307163 [Japanese Import]
- Nagara alive natural rivers - Last natural Sanka clear stream that weaves (Kodansha Culture Books) (1992) ISBN: 4061980491 [Japanese Import]