This horrifying thriller, partly based on a true story, is the scariest novel yet from an international bestseller. Don't go. Don't go yet. I'm not finished. In an isolated village in the Icelandic Westfjords, three friends set to work renovating a derelict house. But soon they realise they are not alone there - something wants them to leave, and it's making its presence felt. Meanwhile, in a town across the fjord, a young doctor investigating the suicide of an elderly woman discovers that she was obsessed with his vanished son. When the two stories collide the terrifying truth is uncovered ...