Penguin - Let The Devil Sleep

Let The Devil Sleep is the gripping third crime novel by John Verdon in the David Gurney series.
Ten years ago a serial killer went quiet - now he's back.
Dave Gurney, a retired NYPD homicide detective, agrees to meet a young woman making a documentary on The Good Shepherd. A decade ago a series of roadside shootings made The Good Shepherd killer headline news. But then the killings stopped, and nobody could say for sure why.
Finding himself drawn back into the case, Gurney soon discovers new facts the original investigation missed and literally stakes his life on finding The Good Shepherd. He makes himself a target so that the killer will come for him.
The latest puzzle masterpiece from the internationally bestselling author of Think of a Number and Shut Your Eyes Tight. John Verdon returns with another instalment in the David Gurney Series.
Following the success of Think of a Number and Shut Your Eyes Tight comes John Verdon's latest masterpiece Let The Devil Sleep. Fans of Tess Gerritsen and James Hayman will love this series.