The Sign of the Four

A mysterious letter. A vanished father. A treasure stained with blood—and only Sherlock Holmes can uncover the truth. When Mary Morstan receives an anonymous summons promising answers to her past, Holmes and Watson are drawn into a whirlwind of danger: secret pacts, stolen riches, coded messages, and a ruthless killer closing in fast. What begins as a strange invitation quickly explodes into one of Holmes's most thrilling and emotionally charged investigations.

Praised as "a fast-moving mystery filled with atmosphere and unforgettable twists," this novel also deepens the bond between Holmes and Watson as they navigate a case where every clue leads to a darker revelation.

Perfect for readers who crave adventure, suspense, and the irresistible brilliance of Sherlock Holmes at work.

Begin the hunt—start reading now and follow the clues to the heart of the mystery.

© 2025 Zenith Whispering Pines Publishers (Ebook): 9791070050149

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Ebook: 3 december 2025