Hercule Poirot doesn't need all his detective skills to realize something is troubling his secretary, Miss Lemon—she has made three mistakes in a simple letter. It seems an outbreak of kleptomania at the student hostel in which her sister works is distracting his usually efficient assistant. . Deciding that desperate times call for desperate measures, the great detective agrees to investigate. Unknown to Poirot, however, desperation is a motive he shares with a killer. . . .. Original British title: Hickory Dickory Dock. This edition is part of the Bantam Agatha Christie Mystery Collection leatherette-bound set with gold emblems front and spine on dark navy texture, marbled inside papers, front and back.