In Agatha Christie’s short story, “The Adventure of Johnnie Waverly,” Poirot investigates the kidnapping of Johnnie Waverly, the three-year-old son of a wealthy couple in Surrey. Could the butler be in on the plot? And why were all the clocks in the house set ten minutes ahead at the time of the kidnapping? This short story originally appeared in the October 10, 1923 issue of The Sketch magazine.