| title | ISBN-13 | year of publication |
|---|---|---|
| INTERMEDIATE KANJI BOOK | 978-4-89358-692-6 | 2008 |
| INTERMEDIATE KANJI BOOK vol.2 | 978-4-89358-489-2 | 2008 |
| BASIC KANJI BOOK VOL.1 基本漢字500 BASIC KANJI BOOK VOL.1 kihonkanji500 | 978-4-89358-091-7 | 2010 |
| BASIC KANJI BOOK VOL.2 基本漢字500 BASIC KANJI BOOK VOL.2 kihonkanji500 | 978-4-89358-119-8 | 2009 |
| INTERMEDIATE KANJI BOOK VOL.1 改訂第3版 INTERMEDIATE KANJI BOOK VOL.1 kaiteidai/ | 978-4-89358-810-4 | 2011 |