| title | ISBN-13 | year of publication |
|---|---|---|
| Get Talking Korean in Ten Days Lea | 978-1-4718-0118-1 | 2014 |
| Get Talking Korean in Ten Days Lea | 978-1-4718-0119-8 | 2014 |
| Get Talking Korean in Ten Days Lea | 978-1-4718-0120-4 | 2014 |
| Get Talking Korean in Ten Days Lea | 978-1-4718-0129-7 | 2014 |
| Kt Korean 10dys Au Ebk Epb Ap | 978-1-4718-0124-2 | 2014 |
| Kt Korean 10dys to Conf Audible | 978-1-4718-0125-9 | 2014 |
| Kt Korean 10dys to Conf Ty App | 978-1-4718-0126-6 | 2015 |
| Kt Korean 10dys Ty Au Ebk Epb Am | 978-1-4718-0128-0 | 2014 |
| Kt Korean Ten Days to Con Ebk | 978-1-4718-0123-5 | 2015 |