“This is the advantage of being a builder. He was able to fix up his own little hiding-place without any confederate— save, of course, that precious housekeeper of his. I made up my mind that the fellow was in hiding in the house. When I paced one corridor and found it six feet shorter than the corresponding one below, it was pretty clear where he was. I thought he had not the nerve to lie quiet before an alarm of fire. We could, of course, have gone in and taken him, but it amused me to make him reveal himself.”