Out of his smoke-filled rooms in Baker Street stalks a figure to cause the criminal classes to quake in their boots and rush from their dens of iniquity . . .The twelve mysteries gathered in this first collection of Sherlock Holmes and Dr Watson's adventures reveal the brilliant consulting detective at the height of his powers. Problems involving a man with a twisted lip, a fabulous blue carbuncle and five orange pips tax Sherlock Holmes's intellect alongside some of his most famous cases.