The Adventure of the Beryl Coronet

“Holmes,” said I as I stood one morning in our bow-window looking down the street, “here is a madman coming along. It seems rather sad that his relatives should allow him to come out alone.”My friend rose lazily from his armchair and stood with his hands in the pockets of his dressing-gown, looking over my shoulder. It was a bright, crisp February morning, and the snow of the day before still lay deep upon the ground, shimmering brightly in the wintry sun. Down the centre of Baker Street it had been ploughed into a brown crumbly band by the traffic, but at either side and on the heaped-up…