| year of publication | ISBN | author(s) | title |
|---|---|---|---|
| 2007 | 978-0-9557117-0-1 | Dan Billany | The Whispering: A Detective Story Featuring Robbie Duncan |
| 2008 | 978-0-9557117-1-8 | '' | The Whispering: A Detective Story Featuring Robbie Duncan |
| 2010 | 978-0-9557117-2-5 | '' | The Magic Door |