The gritty new standalone crime novel from the No. 1 bestselling author of Shatter the Bones & Dark Blood Detective Constable Ash Henderson has a dark secret! Five years ago his daughter Rebecca went missing on the eve of her thirteenth birthday. A year later the first card arrived: homemade with a Polaroid picture stuck to the front -- Rebecca strapped to a chair gagged & terrified. Every year another card: each one worse than the last. The tabloids call him The Birthday Boy. Hes been snatching girls for twelve years always in the run-up to their thirteenth birthday sending the families his homemade cards showing their daughters being slowly tortured to death. But Ash hasnt told anyone about Rebeccas birthday cards -- they all think shes just run away from home -- because if anyone finds out hell be taken off the investigation. & hes sacrificed too much to give up before his daughters killer gets what he deserves!