HihyoÌ"sha, 2009. · 講談社 (koudansha)
| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Kisho "Sendai kuji hongi" no nazo o saguru | 978-4-8265-0466-9 (4-8265-0466-7) | 2007 |
| Yamataikoku handobukku: Wajin wa Taihō no tōnan no taikai no naka ni ari-- | 978-4-06-203256-8 (4-06-203256-2) |