The Moving Finger by Agatha Christie

In a quaint English village, a series of anonymous poison pen letters stir up suspicion and fear among the residents, leading to a tragic suicide. As the community grapples with the fallout, the protagonist, Jerry Burton, a pilot recovering from an injury, becomes embroiled in the mystery. With the help of his sister Joanna and the astute Miss Marple, Jerry delves into the secrets and hidden tensions of the village, uncovering the truth behind the malicious letters and revealing a cunning murderer lurking in their midst.