FROM THE MIND OF THE MILLION-COPY BESTSELLER M.J. ARLIDGE COMES THE BRAND NEW SERIAL KILLER THRILLER STARRING DETECTIVE INSPECTOR HELEN GRACE. * * * * *"You have one hour to live."Those are the only words on the phone call.Then they hang up. Surely, a prank? A mistake? A wrong number? Anything but the chilling truth... That someone is watching, waiting, ready to take your life in one hour. But why?The job of finding out falls to DI Helen Grace: a woman with a track record in hunting killers.However, this is one case where the killer seems to always be one step ahead of the police and the victims.With no motive, no leads, no clues - nothing but pure fear - an hour can last a lifetime... * * * * *PRAISE FOR THE MILLION-COPY BESTSELLER:'Helen Grace is one of the greatest heroes to come along in years' JEFFERY DEAVER'Chilling' THE TIMES'Addictive' EXPRESS'Truly excellent' THE SUN'Amazing' RICHARD MADELEY'This is going to be as big as Jo Nesbo' JUDY FINNIGAN'Chills to the bone' DAILY MAIL'Mesmerizing' LISA GARDNER'Gripping' SUNDAY MIRROR