The audiobook "At 4:50 from Paddington" by Agatha Christie is one of the best works of the famous queen detective. The plot focuses on a mysterious murder that takes place on a train en route from Paddington. The main character, Miss Marple, receives information about this crime and begins her own investigation, full of complex evidence and false traces. Christie masterfully builds the plot, creating tension and intrigue, and the characters are worked out so that their motives and habits become the key to solving the crime. The audiobook perfectly captures Christie's ambience and style, allowing listeners to enjoy the classic whodunit.