The books follow two young Derbyshire police detectives, Ben Cooper and Diane Fry, as they try to solve various murders.
In order, they are:
- Black Dog (2000)
- Dancing with the Virgins (2001)
- Blood on the Tongue (2002)
- Blind to the Bones (2003)
- One Last Breath (2004)
- The Dead Place (2005)
- Scared to Live (2006)
- Dying to Sin (2007)
- The Kill Call (2009)
- Lost River (2010)