| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Riaru taimu Nihon shi: Rekishi ga mieru, genzai ga mieru | 978-4-06-208238-9 (4-06-208238-1) | 1996 |
| Tōshūsai Sharaku wa mō inai | 978-4-06-205112-5 (4-06-205112-5) | 1990 |
| Uchū no niwa: Ryōanji sekitei no nazo | 978-4-06-205747-9 (4-06-205747-6) | 1992 |