Christie, Agatha, 1890-1976. The mysterious affair at Styles : the first Hercule Poirot novel / Agatha Christie. - Berkley ed. - New York : Berkley Books, 1984, c1920. - 198 p. ; 18 cm. ISBN: 9780425129616 (pbk.) 0425129616 (pbk.) Subjects--Personal Names: Poirot, Hercule (Fictitious character) --Fiction. Subjects--Topical Terms: Private investigators--England--Fiction. Index Terms--Genre/Form: Mystery fiction. Dewey Class. No.: 823.912 / CHM