The Sanatorium: The spine-tingling breakout Sunday Times bestseller and Reese Witherspoon Book Club Pick

The Sanatorium is an atmospheric thriller that will keep you on edge from start to finish.

Set in a remote, isolated hotel nestled in the Swiss Alps, this gripping novel follows Elin Warner as she investigates the disappearance of her estranged brother's fiancée.

With a storm cutting off access to and from the hotel, tensions rise as guests begin to panic.

But no one has realized yet that another woman has gone missing - and she may be the only one who can warn them just how much danger they're all in.

Will Elin be able to uncover the truth before it's too late? Find out in this chilling, twist-filled read that will keep you guessing until the very end.