The Blue Hour by Paula Hawkins

The spellbinding new novel from the internationally bestselling author of The Girl on the Train.An isolated Scottish island, accessible to the mainland only twelve hours a day. A famous (some might say infamous) artist whose notoriously unfaithful husband disappeared after visiting her twenty years ago. A present-day discovery that intimately connects three people and unveils a web of secrets and lies.Welcome to Eris: an island with only one house, one inhabitant, one way out. Unreachable from the Scottish mainland for twelve hours each day.Once home to 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, a visitor comes calling.And the secrets of Eris threaten to emerge….