"The Little Stranger" is a novel by Sarah Waters set in post-World War II England. It follows Dr. Faraday, a country doctor who becomes involved with the Ayres family, who live in the decaying mansion of Hundred Hall. The story explores themes of class, social change, and the supernatural as strange occurrences begin to affect the family. As Dr. Faraday spends more time at Hundred Hall, he uncovers the family's troubled history and the impact of their declining status. The narrative blends psychological tension with elements of horror, leading to a haunting exploration of identity and belonging in a changing world.