| year of publication | ISBN | author(s) | title |
|---|---|---|---|
| 2009 | 978-89-6391-011-6 | unknown | All ethical Higher (Korean edition) |
| '' | 978-89-6391-034-5 | Biology 1 (a little test out everything.) (Korean edition) | |
| '' | 978-89-6391-035-2 | unknown | Biology 2 (Korean edition) |
| 2011 | 978-89-6391-259-2 | Science 3-2 (2011) (Korean edition) | |