"You see, but you do not observe."

Sherlock Holmes is back in one of his most gripping and high-stakes cases-The Sign of the Four. When a beautiful and mysterious woman seeks Holmes' help in uncovering the truth behind her father's disappearance and a series of anonymous gifts, the great detective and his steadfast companion, Dr. Watson, are pulled into a web of deception, murder, and long-buried secrets. From the shadowy backstreets of Victorian London to the dark history of a stolen treasure in colonial India, Holmes must use every ounce of his legendary deduction skills to untangle a case where greed, vengeance, and fate collide.

But this is more than just another mystery. This novel marks a turning point for both Holmes and Watson-showcasing Holmes' relentless intellect, his struggles with addiction, and his unshakable commitment to logic over emotion. Meanwhile, Watson finds himself drawn to a romance that could change his life forever, raising the question: Can love and logic ever truly coexist?

This special edition includes:

✔ The complete, unabridged original text of The Sign of the Four

✔ Detailed chapter-by-chapter summaries for quick reference and deeper understanding

✔ Expert literary analysis exploring the novel's themes, symbolism, and historical context

✔ A closer look at Sherlock Holmes' investigative methods and how they shaped modern detective fiction

Whether you're a lifelong fan of Sherlock Holmes or a newcomer discovering his genius for the first time, this edition offers the definitive reading experience-illuminating the brilliance of Doyle's storytelling and the legacy of literature's greatest detective.

Step into the fog-drenched streets of London. The mystery awaits.