• The novel ? The Sign of the Four: a plot involving the Indian Rebellion of 1857 and a secret pact among four convicts.
• The writer ? Sir Arthur Conan Doyle.
• First published ? in the 1890 edition of Lippincott’s Monthly Magazine (London and Philadelphia).
• Location ? London and India.

…when you have eliminated the impossible, whatever remains, however improbable, must be the truth…

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