The Mysterious Affair at Styles

Set in the early 20th century, this detective novel marks Agatha Christie's debut, introducing iconic characters like Hercule Poirot and Inspector Japp. The story revolves around a mysterious murder at Styles Court, where Hastings teams up with Poirot to unravel the crime. With its intricate plot and engaging characters, the book sets the stage for many future adventures in the detective genre.