"The Murder of Roger Ackroyd" is a classic detective novel written by the renowned British author Agatha Christie. It was first published in 1926 and is often considered one of Christie's most ingenious and groundbreaking works. The novel is the third installment in her Hercule Poirot series, featuring the famous Belgian detective Hercule Poirot as the protagonist.The story is set in the fictional English village of King's Abbot, where the wealthy and seemingly respectable Roger Ackroyd is found dead in his study. The circumstances surrounding Ackroyd's death are mysterious, and it appears to be a suicide. However, Dr. James Sheppard, the village's physician and the novel's narrator, has doubts about the apparent suicide.The plot takes a fascinating twist when Hercule Poirot, who has retired to the countryside and is living nearby, is asked by Dr. Sheppard to investigate the case. Poirot agrees and soon begins unraveling the complex web of secrets, lies, and hidden motives among the inhabitants of King's Abbot.What makes "The Murder of Roger Ackroyd" so remarkable is its innovative narrative technique. The novel is famous for its unreliable narrator, Dr. Sheppard, who recounts the events and becomes Poirot's confidant throughout the investigation. Readers are kept in the dark until the final chapters when Poirot gathers all the suspects and unveils the truth in a dramatic reveal.Agatha Christie's skillful plotting and the unexpected twist ending have made "The Murder of Roger Ackroyd" a classic in the mystery genre. It is often cited as one of her most ingenious and controversial works due to the audacious narrative choice Christie made in selecting Dr. Sheppard as the narrator. The novel remains a favorite among Christie's fans and is celebrated for its contribution to the evolution of detective fiction.