The Sign of the Shadow

“I RECEIVED your telegram and here I am,” said a gentleman with a grey moustache, who entered my study, dressed in a dark-brown frock-coat and a wide-brimmed hat, with a red ribbon in his buttonhole. “What’s the matter?” Had I not been expecting Arsčne Lupin, I should certainly never have recognized him in the person of this old half-pay officer: “What’s the matter?” I echoed. “Oh, nothing much: a rather curious coincidence, that’s all. And, as I know that you would just as soon clear up a mystery as plan one …” “Well