| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| 日本語形容詞・副詞ハンドブック - The Handbook of Japanese nihongo/ | 978-4-7700-2879-2 (4-7700-2879-2) | 2002 |
| 日本語文型ハンドブック <Japanese Sentence Patterns for Effective Communication: A Self-Study Course and Reference> nihongobungata/ | 978-4-7700-2983-6 (4-7700-2983-7) | 2005 |