| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| LET'S TALK IN CHINESE 1 with Talking Pen | 978-84-608-5684-9 (84-608-5684-4) | 2016 |
| STORIES FOR KIDS 2/4 years with Talking Pen | 978-84-608-5553-8 (84-608-5553-8) | 2016 |
| STORIES FOR KIDS 5/7 years with Talking Pen | 978-84-608-5683-2 (84-608-5683-6) | 2016 |