Chapter I The Science of Deduction Chapter II The Statement of the Case Chapter III In Quest of a Solution Chapter IV The Story of the Bald-Headed Man Chapter V The Tragedy of Pondicherry Lodge Chapter VI Sherlock Holmes Gives a Demonstration Chapter VII The Episode of the BarrelChapter VIII The Baker Street IrregularsChapter IX A Break in the ChainChapter X The End of the Islander Chapter XI The Great Agra Treasure Chapter XII The Strange Story of Jonathan Small