The Hunting Party by Lucy Foley

If you're looking for a solid winter thriller, this copy of The Hunting Party by Lucy Foley is a great pick. It's a classic locked-room mystery set at a remote Scottish estate during a New Year's Eve trip. The story follows a group of old friends from Oxford, but things take a dark turn when one of them ends up dead. It's a quick, tense read that keeps you guessing about who did it until the very end. This is the paperback edition and it's in good shape.