the passenger was now advancing rather clumsily down the aisle in his direction , his suitcase bumping against the arms of the seats.at first , the man seemed to be heading for one of the four empty seats directly across from him.there was more panting and grunting as he lifted the suitcase onto the overhead luggage rack.he turned and was just about to sit down when a look of sudden recognition crossed his features : excuse me , he said , but are you peter cranston ?