DCI Jack Parker Books in Order

Newcastle detective Jack Parker investigates a serial killer and a colleague’s fatal hit-and-run while concealing early-onset dementia. As his memory deteriorates, he must distinguish the killer’s troubled past from the uncertainty increasingly affecting his own judgment.

Jack Parker investigates a colleague’s unsolved death and the disappearance of a woman and her son while hiding worsening dementia. His risky decision to involve another detective with a gangster threatens his team and complicates both cases.

An anonymous killer offers terminally ill Newcastle residents death as an act of mercy. Detective Jack Parker investigates while concealing advancing dementia, and links to a carers’ support group bring the case dangerously close to his wife.