3908197
9781419186509
A coded warning sends Sherlock Holmes and Dr. Watson to a country retreat, where they follow a perplexing trail of clues to unmask a murderer - and to break the stranglehold of a terrorist cult. In this, the fourth and final Sherlock Holmes novel, Doyle is at his storytelling best.Doyle, Arthur Conan is the author of 'Valley of Fear ' with ISBN 9781419186509 and ISBN 1419186507.
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