| year of publication | ISBN | author(s) | title |
|---|---|---|---|
| 2008 | 978-89-92972-01-7 | Pyeon Jibboo | Wrote erased the appearance (Korean edition) |
| '' | 978-89-92972-02-4 | Pyeon Jibboo | Wrote erased maze (Korean edition) |
| '' | 978-89-92972-03-1 | Hae Barakikihoek | Science story (Korean edition) |
| 2012 | 978-89-92972-48-2 | Animal encyclopedia (Korean edition) | |