"The Pale Horse" is a mystery novel written by Agatha Christie, featuring the famous detective Hercule Poirot. The story revolves around a series of mysterious deaths linked to a group of witches and a peculiar old woman who lives in a remote village. Poirot investigates the connections between the victims and the enigmatic Pale Horse. The novel explores themes of superstition, deception, and the quest for truth. It delves into the darker aspects of human nature and the impact of belief on people's lives. The narrative combines suspense with elements of the supernatural, making it a captivating read for mystery enthusiasts.