Styles Was Christie's First Published Novel. It Introduced Hercule Poirot, Inspector (later, Chief Inspector) Japp, And Arthur Hastings. Poirot, A Belgian Refugee Of The Great War, Is Settling In England Near The Home Of Emily Inglethorp, Who Helped Him To His New Life. His Friend Hastings Arrives As A Guest At Her Home. When The Woman Is Killed, Poirot Uses His Detective Skills To Solve The Mystery. This Is Also The Setting Of Curtain, Poirot's Last Case.