"The manager of the new Imperial Restaurant on the Thames Embankment went into his luxurious private office and shut the door. Having done so, he first scratched his chin reflectively, and then took a letter from the drawer in which it had reposed for more than two months and perused it carefully. Though he was not aware of it, this was the thirtieth time he had read it since breakfast that morning. And yet he was not a whit nearer understanding it than he had been at the beginning. He turned i ...