Blood Is Thicker — Sarah Cox

A stunning debut crime novel by a serving police officer - A toddler is dead, his head smashed against his bedroom wall. But who is to blame? DS Matt Arnold and his team are tasked with finding the killer amongst the childs dysfunctional family, whose background is riddled with violence and secrets. Matt struggles to understand the indifference of the parents, and these emotions are compounded by an appalling hit-and-run accident which leaves Matts own son, Ben, fighting for his life . . .