"Neljän merkit" by Arthur Conan Doyle is a detective novel published in 1890.When Mary Morstan seeks Sherlock Holmes's help, she brings a perplexing mystery: her father vanished a decade ago, and she's been anonymously receiving valuable pearls ever since. The investigation leads to a stolen Indian treasure, a locked-room death, and a thrilling chase through London's waters. Holmes and Watson must unravel a conspiracy involving four men bound by a deadly pact, poisoned thorns, and jewels that carry a curse of vengeance across continents. (This is an automatically generated summary.)
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