"This book is about a most private and secret habit my father had, and about the strange adventures it led us both into..." Danny thinks the world of his father, who has looked after him ever since his mother died, when he was just four months old.But as he grows up, Danny discovers that his father's secret spells adventure and trouble for both of them.
When a woman's body is found in a North London flat clutching a bloodstained sliver of X-ray, DI Thorne discovers that the victim's mother had herself been murdered fifteen years before by the infamous serial killer Raymond Garvey. When more bodies and more fragments of X-ray are discovered, a horrifying picture emerges: a killer is targeting the children of Garvey's victims...