Twelve sensational Sherlock Holmes short stories from a bestselling master of the genre. Tales of treachery, intrigue and evil... The iconic duo find themselves swiftly drawn into a series of puzzling and sinister events: an otherworldly stone whose touch inflicts fatal bleeding; a hellish potion unlocks a person's devilish psyche; Holmes's most hated rival detective tells his story; a fiendishly clever, almost undetectable method of revenge; Watson finally has his chance to shine; and many more -- including a brand-new Cthulhu Casebooks story.