A thriller from the author of The Girl on the Train and A Slow Fire Burning that pitches three people on a Scottish tidal island into a nightmare when a bone at the centre of a sculpture turns out to be human. When a small bone at the centre of a famous sculpture is revealed to be human, three people become intimately connected by the secrets and lies that put it there. Set on a Scottish tidal island connected to the mainland for just a few hours each day, and home to only one inhabitant, The Blue Hour asks questions of ambition, power, art and perception.