| year of publication | ISBN | author(s) | title |
|---|---|---|---|
| 2007 | 978-0-9554794-0-3 | Helen Wu | Learning with Lulu: Chinese Mandarin: v. 1 |
| '' | 978-0-9554794-1-0 | Helen Wu | Learning with Lulu: Chinese Mandarin (Level 1 with CD) |
| '' | 978-0-9554794-2-7 | '' | Learning with Lulu: Chinese Mandarin Flash Cards: v. 1 |
| '' | 978-0-9554794-3-4 | '' | Learning with Lulu: Chinese Mandarin: Level 2 with CD |
| 2008 | 978-0-9554794-4-1 | EasyMandarinUK | Flash Cards: Learning with Lulu - Chinese Mandarin: Vol 2 |
| '' | 978-0-9554794-5-8 | Helen Wu | Learning with Lulu - Chinese Mandarin: Level 3 |
| 2008 | 978-0-9554794-6-5 | Helen Wu | Flash Cards: Learning with Lulu: Chinese Mandarin: v. 3 |
| 2009 | 978-0-9554794-7-2 | '' | Learning with Lulu - Chinese Mandarin: Level 4 with CD |