The Amateur Cracksman
"Did Lord Crowley tell you so?"
"Crowley and the champagne between them. In confidence, of course, just as your girl told you; but even in confidence he never let on about Mackenzie. He told me there was a detective in the background, but that was all. Putting him up as a guest is evidently their big secret, to be kept from the other guests because it might offend them, but more particularly from the servants whom he's here to watch. That's my reading of the situation, Bunny, and you will agree with me that it's infinitely more interesting than we could have imagined it would prove."
"But infinitely more difficult for us," said I, with a sigh of pusillanimous relief. "Our hands are tied for this week, at all events."
"Not necessarily, my dear Bunny, though I admit that the chances are against us. Yet I'm not so sure of that either. There are all sorts of possibilities in these three-cornered combinations. Set A to watch B, and he won't have an eye left for C. That's the obvious theory, but then
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