FROM THE MIND OF THE MILLION-COPY BESTSELLER M.J. ARLIDGE COMES THE BRAND NEW SERIAL KILLER THRILLER STARRING DETECTIVE INSPECTOR HELEN GRACE.

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"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 ...