A secret pact. A mysterious treasure. A murder that baffles the police—and only Holmes can solve.

In The Sign of the Four, Sherlock Holmes and Dr. Watson face a twisting tale of betrayal, hidden riches, and revenge that stretches from colonial India to the foggy streets of London. When Mary Morstan receives a cryptic invitation and a priceless pearl, she turns to Holmes for help. What follows is a deadly chase through riverside slums and locked rooms, unraveling a conspiracy that began decades ago.

This thrilling novel introduces key elements of the Holmes universe—including Watson's romantic life—and remains one of the most beloved and suspenseful works in the canon.

? This Edition Features:
✔ Complete and unabridged text
✔ Kindle-optimized formatting with clickable table of contents
✔ A must-read for lovers of detective fiction and classic mysteries

? What Readers Say:
"Fast-paced, atmospheric, and unforgettable."
"Holmes at his most cunning—Watson at his most compassionate."
"A treasure of mystery literature."

? Download The Sign of the Four today and follow Sherlock Holmes on a journey into treachery, treasure, and truth.