2. The Sign of Four🔗

1. 2.1. The Science of Deduction
2. 2.2. The Statement of the Case
3. 2.3. In Quest of a Solution
4. 2.4. The Story of the Bald-Headed Man
5. 2.5. The Tragedy of Pondicherry Lodge
6. 2.6. Sherlock Holmes Gives a Demonstration
7. 2.7. The Episode of the Barrel
8. 2.8. The Baker Street Irregulars
9. 2.9. A Break in the Chain
10. 2.10. The End of the Islander
11. 2.11. The Great Agra Treasure
12. 2.12. The Strange Story of Jonathan Small