| title | ISBN-13 | year of publica- tion | other author(s) |
|---|---|---|---|
| A King's Lesson | 978-1-59883-097-2 | 2007 | Aoi Futaba |
| Level C, Vol. 1 | 978-1-58655-580-1 | 2005 | " |
| Level C Volume 2 | 978-1-58655-635-8 | 2005 | " |
| Level C Volume 3 | 978-1-58655-686-0 | 2005 | " |
| Level C Volume 5 | 978-1-58655-773-7 | 2006 | " |
| Level C Volume 6 | 978-1-58655-818-5 | 2006 | " |