The Sign of Four

by Arthur Conan Doyle

Sherlock Holmes and Dr. Watson investigate a baffling treasure case that stretches from London opium dens to imperial secrets, coded messages, and violent reven

About this book

Sherlock Holmes and Dr. Watson investigate a baffling treasure case that stretches from London opium dens to imperial secrets, coded messages, and violent revenge.

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Sherlock Holmes and Dr. Watson investigate a baffling treasure case that stretches from London opium dens to imperial se