| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| INTERMEDIATE KANJI BOOK | 978-4-89358-692-6 (4-89358-692-0) | 2008 |
| INTERMEDIATE KANJI BOOK vol.2 | 978-4-89358-489-2 (4-89358-489-8) | 2008 |
| INTERMEDIATE KANJI BOOK VOL.1 改訂第3版 INTERMEDIATE KANJI BOOK VOL.1 kaiteidai/ | 978-4-89358-810-4 (4-89358-810-9) | 2011 |