The Mysterious Affair at Styles (Hercule Poirot Series)

The story is set in England, specifically Styles Court, sometime during the first world war. The book is narrated by Captain Hastings who is back in England on a medical leave. He is invited by his old friend, John Cavendish, to spend time convalescing at Styles Court. Within weeks of Hasting’s arrival, John’s stepmother, Emily Inglethorpe is dead, obviously poisoned with strychnine. All this occurs while she is in her bedroom with all the doors locked from the inside. There are plenty of suspects and plenty of clues. Fortunately, Captain Hasting’s old friend, Hercule Poirot, is staying nearby and is willing to assist in solving this mystery.