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

The Sanatorium is a gripping and atmospheric thriller that will keep you on the edge of your seat from start to finish.

Set in an imposing, isolated hotel high up in the Swiss Alps, this book 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 the remaining guests start to panic.

But no-one has realized yet that another woman has gone missing - and she's the only one who could have warned them just how much danger they're all in.

This is an absolutely splendid Gothic thriller (A.

J.

Finn) that will keep you guessing until the very end.

Don't miss out on this addictive, creepy, and twisting read (Stylist).