C. K. ยท Charles K.
| title | ISBN-13 | year of publication |
|---|---|---|
| Cop without a Badge: The Extraordinary Undercover Life of Kevin Maher | 978-1-4391-7638-2 | 2009 |
| Cop Without a Badge: The Extraordinary Undercover Life of Kevin Maher | 978-1-4391-7711-2 | 2009 |
| Crystal Death | 978-1-4391-3996-7 | 2011 |
| Crystal Death: A Conor Bard Mystery | 978-1-4391-3995-0 | 2010 |
| Hell's Kitchen Homicide | 978-1-4391-3994-3 | 2010 |
| Hell's Kitchen Homicide: A Conor Bard Mystery | 978-1-4391-2790-2 | 2009 |