In the heart of Edinburgh, a killer leaves a trail of secrets carved in bloodAs the leader of the Serious Crime Unit, DCI ‘Mac’ McNeill is no stranger to the city's darkest secrets. But when a body marked with Celtic symbols is discovered in a run-down tower block, the case challenges even his seasoned instincts.

They said there'd be karma, but he thought, why wait?They killed his wife in front of his daughter. Sam is a former SBS commando who wants revenge. The blistering opening novel in an international thriller series, enjoyed by fans of Reacher, Milton and Orphan X.

When a routine medical procedure leaves one girl missing and one girl dead, Private Investigator Dana Mulder starts digging. A trail of victims leads her to a highly respected doctor, but with only circumstantial evidence buried under decades of deception, she needs all the help she can get to stop a murderer hiding in plain sight.