'Grippingly claustrophobic and unpredictable on every page: perfect for fans of The Girl on the Train' Marie Claire She can run Libby Hall needs to hide, to escape from everything for a while. Which is why the house swap is a godsend. The chance for Libby and her husband Jamie to exchange their tiny Bath flat for a beautiful haven on the wild Cornish coast. But she can't hide But before they can begin to heal their fragile marriage, Libby makes some disturbing discoveries about the house. And soon the peace and isolation begin to feel threatening. How alone are they? Why does she feel watched? Because someone knows her secret What is Jamie hiding? Is Libby being paranoid? And why does the house bring back such terrible memories? Memories Libby's worked hard to bury. Memories of the night she last saw her best friend alive . . . and what she did.