WHEN YOU THINK YOU'RE SAFE,WHEN YOU THINK YOU'RE ALL ALONE,THAT'S WHEN HE'LL COME FOR YOU...A silent killer stalks the city, targeting those home alone at night, playing a deadly game of cat and mouse with the victims.As panic spreads, Detective Inspector Helen Grace leads the investigation, but is herself a hunted woman, her every step shadowed by a ruthless psychopath bent on revenge.As she tracks the murderer, Grace begins to suspect there is a truly shocking home truth that connects these brutal crimes. But what she will find is something more twisted than she could ever suspect...Check the windows, lock the doors - this is a twisted page-turner that will prey on your darkest fears, in the way only M.J. Arlidge can._____________________PRAISE FOR MILLION-COPY BESTSELLER M.J. ARLIDGE'Helen Grace is one of the greatest heroes to come along in years' JEFFERY DEAVER'The new Jo Nesbo' JUDY FINNIGAN'A genuinely fresh heroine ... M.J. Arlidge weaves together a tapestry that chills to the bone' DAILY MAIL