| 2015 | | The case of the blind beetle / Holly Webb |
| 2014 | | The case of the feathered mask / Holly Webb |
| 2014 | | The case of the secret tunnel / Holly Webb |
| 2014 | | The case of the spilled ink / Holly Webb |
| 2013 | | The case of the phantom cat / Holly Webb |
| 2013 | | The case of the stolen sixpence / Holly Webb |
| 2013 | | The case of the vanishing emerald / Holly Webb |
