Guy Fawkes Night: A perfect night for murder, as Inspector Japp remarked to Hercule Poirot. Someone else agreed with him. Next morning, young Mrs Allen was found dead in her mews house. Her murderer had tried to make it look like suicide. But he had not reckoned on Hercule Poirot, who solved the Murder in the Mews and three more perplexing cases with his usual dazzling brilliance.