| title | ISBN-13 | year of publication |
|---|---|---|
| Lifers | 978-0-7171-3765-7 | 2004 |
| Missing: Ireland's Disappeared | 978-0-7171-4838-7 | 2010 |
| Missing: Missing without Trace in Ireland | 978-0-7171-3290-4 | 2003 |
| The Cold Case Files: On the Trail of Ireland's Undetected Killers | 978-0-7171-4802-8 | 2012 |
| Unsolved | 978-0-7171-4250-7 | 2007 |
| Without Trace: Ireland's Missing | 978-0-7171-4791-5 | 2010 |