"The Murder of Roger Ackroyd" is a classic mystery novel by Agatha Christie, first published in 1926. The story features the iconic detective Hercule Poirot and is widely considered one of Christie's best works. The novel is told from the perspective of Dr. James Sheppard, a physician who lives in the quiet English village of King's Abbot. When his wealthy neighbor, Roger Ackroyd, is found dead in his study, Sheppard is drawn into the investigation.

Poirot, who has recently retired to the village, is asked to assist the local police in solving the case. Ackroyd's death is initially thought to be a suicide, but Poirot quickly deduces that he was murdered. The suspects include members of Ackroyd's family, his secretary, and his fiancée, as well as Dr. Sheppard himself.

As the investigation proceeds, secrets and hidden motives are gradually revealed. The novel features Christie's trademark twists and turns, and the solution to the mystery is both surprising and satisfying. "The Murder of Roger Ackroyd" is notable for its innovative use of the unreliable narrator, which was a bold and controversial choice at the time of its publication.

The novel has been adapted into several television and film adaptations, and its influence on the mystery genre can still be seen today. It is a must-read for fans of classic detective fiction and remains one of Christie's most popular and enduring works.

Overall, "The Murder of Roger Ackroyd" is a thrilling and engaging mystery that keeps readers guessing until the very end. With its well-crafted plot, memorable characters, and innovative narrative technique, it is no wonder that it has stood the test of time as a classic of the genre.