"And Then There Were None" is a mystery novel by Agatha Christie, first published in 1939. Set on an isolated island off the coast of England, the book follows a group of ten strangers who are mysteriously brought together, only to find themselves being picked off one by one. As the body count rises and tensions mount, the survivors must race against time to uncover the identity of the killer before they become the next victim. With its gripping plot, clever twists, and masterful suspense, "And Then There Were None" is considered one of Christie's best works and a classic of the mystery...

If there is at least one dubious detail in the case, the famous detective will check it until he gets to the bottom of the truth. So, in the novel `One, two - a buckle fastener ', he doubts the guilt of a man whom the police suspect of several murders. In the novel `Elephants Can Remember, 'there is an endless debate with the writer Ariadne Oliver, in the process of which he finds out the details of the crime. And in the collection of stories `Poirot leads the investigation`, the tireless detective brilliantly investigates a series of crimes....