Von Ravenheim led the way out of the room and, proceeding along a short passage, they entered a small automatic lift and descended as far as it would go, passing six landings. Their journey ended, the ambassador switched on some lights in a long corridor and then at the far end switched on yet more lights and ushered Larose into a narrow enclosed passage, fitted up as a shooting gallery. He closed the door behind them and then pressed a button on the wall. "That informs my two personal attendants where I am," he said significantly. "Oh," exclaimed Larose innocently, "and then you always have to tell them where you are!" Von Ravenheim made no comment. "Now this range is twelve yards long," he went on, "and what size bullseye would you like." "Well, as the pistol will be strange to me,"

