"Let Them In" is a collection of thematically-related short horror, concerning wilderness, temptation, and the unexplained. It contains stories about spirits, monsters, mysteries, and things unnamed. The Dog at the Door: A person waiting out winter in a small cabin takes in a strange dog. The Other Passengers: A shortcut home leads a man to become lost on a lonely backwoods road at night. The Edges: When a boy is left home alone, some new friends come to visit. When the Dead Walk: For one night a year, the dead do not sleep. The Prospect House: A once-acclaimed hotel, the Prospect House closed in 1903, only two decades after its opening. What events led to its demise? The Blue-Stocking Game: Probably fine. Perfectly safe.