A Study in Scarlet & The Sign of the Four (Macmillan Collector's Library)

A detective's duty is to unravel the scarlet thread of murder... When Dr John Watson takes rooms in Baker Street with amateur detective Sherlock Holmes, he has no idea that he is about to enter a shadowy world of criminality and violence. Accompanying Holmes to an ill-omened house in south London, Watson is startled to find a dead man whose face is contorted in a rictus of horror. There is no mark...