- 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…