The Murder of Roger Ackroyd by Agatha Christie is one of her most famous and influential works, featuring the renowned detective Hercule Poirot. Set in the quiet English village of King’s Abbot, the novel begins with the murder of Roger Ackroyd, a wealthy man who is found dead in his study under mysterious circumstances. Dr. James Sheppard, the village physician, narrates the story as Poirot is called in to investigate the crime. Throughout the investigation, Poirot uncovers a series of secrets and lies among the villagers. The book is known for its groundbreaking twist involving the narrator, Dr. Sheppard, and has been praised for its clever plotting and innovative storytelling. It is considered one of the finest examples of the detective genre and remains a favorite of mystery readers.