The First Hercule Poirot Mystery: The Official Authorized Edition | Paperback | Mystery & Detective / Traditional Who poisoned the wealthy Emily Inglethorp and how did the murderer penetrate and escape from her locked bedroom? Suspects abound in the quaint village of Styles St. Mary—from the heiress's fawning new husband to her two stepsons, her volatile housekeeper, and a pretty nurse who works in a hospital dispensary. With impeccable timing and making his unforgettable debut, the brilliant Belgian detective Hercule Poirot is on the case. One of the best-loved classic mysteries of all time, The Mysterious Affair at Styles ,will continue to enchant old readers and introduce Agatha Christie’s unique storytelling genius to a host of new readers.