The Blue Hour: The powerful new thriller from a global No.1 bestseller

WELCOME TO ERIS - A SCOTTISH TIDAL ISLAND WITH ONLY ONE HOUSE, ONE INHABITANT,ONE WAY OUT. . .A place that is unreachable from the Scottish mainland for twelve hours each day. Once the hideaway of Vanessa, a famous artist whose notoriously unfaithful husband disappeared twenty years ago.Now home to Grace. A solitary creature of the tides, content in her own isolation.But when a shocking discovery is made in an art gallery far away in London, Grace receives an unexpected visitor.And the secrets of Eris threaten to emerge . . .