1Chapter I. The Science of Deduction
7Chapter VII. The Episode of the Barrel
2Chapter II. The Statement of the Case
8Chapter VIII. The Baker Street Irregulars
3Chapter III. In Quest of a Solution
9Chapter IX. A Break in the Chain
4Chapter IV. The Story of the Bald-Headed Man
10Chapter X. The End of the Islander
5Chapter V. The Tragedy of Pondicherry Lodge
11Chapter XI. The Great Agra Treasure