| year of publication | ISBN | author(s) | title |
|---|---|---|---|
| 2009 | 978-89-962512-3-1 | Interesting mathematical (Korean edition) | |
| 2010 | 978-89-962512-4-8 | I Sangyeol | (Math fun math award) (Korean edition) |
| '' | 978-89-962512-5-5 | '' | Math fun math (1) (Top Student) (Korean edition) |