The Mysterious Affair at Styles

"The Mysterious Affair at Styles" is Agatha Christie's debut detective novel, set during World War I, and introduces the legendary detective Hercule Poirot. The story revolves around the murder at Styles Court, where Poirot, along with Inspector Japp and Arthur Hastings, works to uncover the truth. Published in 1916, the book was met with positive reviews and established Christie's reputation as a master mystery writer.