
Sign of The Four (version 3)
The Sign of the Four, published in 1890, is the second novel featuring Sherlock Holmes, created by Sir Arthur Conan Doyle. Set in 1888, the plot revolves around a complex tale involving the East India Company, a stolen treasure, and a secret pact among four convicts and corrupt prison guards. This novel further develops Holmes's character, revealing his drug habit, and introduces Doctor Watson's future wife, Mary Morstan, marking significant developments in the Holmes canon.














































