| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| BASIC KANJI BOOK VOL.1 基本漢字500 BASIC KANJI BOOK VOL.1 kihonkanji500 | 978-4-89358-091-7 (4-89358-091-4) | 2010 |
| BASIC KANJI BOOK VOL.2 基本漢字500 BASIC KANJI BOOK VOL.2 kihonkanji500 | 978-4-89358-119-8 (4-89358-119-8) | 2009 |