A young woman is brutally murdered in a New York bookshop; Detective Callum Doyle receives a call from her killer, telling him he’s willing to give him clues as to the identity of his next victim – but only on condition that Doyle doesn’t tell anyone. And so as the killings continue, Doyle must interpret the ‘helper’s’ riddles in order to establish a link between his victims, and prevent more from being killed – while all the time trying to protect his career, and his family . . .

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• Up From Here
• Cry Baby
• The Child Taker Book 1 Detective Alec Ramsay Series