‘Terrific’ Ian RankinSome victims leave clues to their killers…A Hidden ClueA victim leaves a note for the SIO who will investigate her death. This not what DCI Kate Daniels expects to find concealed at a crime scene.A Desperate PleaThe note contains a last request: ‘Find Aaron’. But is Kate searching for a potential second victim, or a killer?The Countdown is on…Following the clues, Kate becomes the obsession of her adversary who will stop at nothing to get what he wants. Will she find Aaron before he does?