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Cover of The Sign of the Four

The Sign of the Four

Arthur Conan Doyle

First published 1890

Mary Morstan asks Sherlock Holmes to investigate a vanished father, anonymous pearls, and a mysterious summons. The trail leads Holmes and Watson through London to a hidden treasure and a pact forged in colonial India. Arthur Conan Doyle combines deduction, pursuit, romance, and moral ambiguity in the second full-length Sherlock Holmes adventure.

10 Episodes, complete and unabridged.

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