The Pale Horse (Agatha Christie)

And I looked, and behold a pale horse; and his name that sat on him was Death, and Hell followed with him.Writer/historian Mark Easterbrook stopped into a coffee shop for a quick meal and witnessed an argument between two young women that ended with one pulling out a handful of hair from the other. The unfortunate woman had an unusual name, Thomasina Tuckerton, and Easterbrook remembered it when he saw it again -- in the obituary notices.Meanwhile the police begin to investigate the murder of an elderly priest who was killed on his way home after hearing a last confession. Stuffed in the priest's shoe was a list of names, including that of the police inspector. As the two threads of the story weave through London, out to the country, on to Birmingham and back to London, the circuitous path leads to witchcraft -- and murder.