| year of publication | ISBN | author(s) | title |
|---|---|---|---|
| 2009 | 978-89-93812-01-5 | Enjoy travel English yijeongdo do for you (Korean edition) | |
| '' | 978-89-93812-02-2 | Kim Dongsoo | Completed four weeks a pattern conversational English degree do for you (Korean edition) |
| 2011 | 978-89-93812-59-6 | CNT ????? | Korean history, secret note (see chart) class (97) (2012) (Korean edition) |