| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Happy Trails 1 Class CD | 978-1-111-06239-2 (1-111-06239-0) | 2010 |
| Happy Trails 1 Teachers Book | 978-1-111-06233-0 (1-111-06233-1) | 2010 |
| Ng Emea Happy Trails 2 Classaudio Cds | 978-1-111-39941-2 (1-111-39941-7) | 2010 |
H.A. · J. A. · J. H. · J. Heath · jennifer (author) · Jennifer H. · Jennifer Heath