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The Adventure of the Musgrave Ritual
By Arthur Conan Doyle
Digging into his tin box of papers one day, Holmes recounts for Dr. Watson one of his earliest cases. In it, Holmes must decipher the ancient Musgrave Ritual to solve the mysterious disappearance of schoolmate Reginald Musgrave's butler and maid, after Musgrave terminates the butler for secretly reading the text of the ceremony.
