Fans of I LET YOU GO and THE GIRL ON THE TRAIN will be gripped. No one ever disappears completely...You leave for work one morning.Another day in your normal life.Until you come home to discover that your boyfriend has gone. His belongings have disappeared. He hasn't been at work for weeks. It's as if he never existed.But that's not possible, is it?And there is worse still to come.Because just as you are searching for himsomeone is also watching you.