The Sign of Four   Sir Adrian Conan Doyle First published (in book form) 1890 Choose a chapter from — 1 The Science of Deduction 2 The Statement of the Case 3 In Quest of a Solution 4 The Story of a Bald-headed Man 5 The Tragedy of Pondicherry Lodge 6 Sherlock Holmes Gives a Demonstration 7 The Episode of the Barrel 8 The Baker Street Irregulars 9 A Break in the Chain 10 The End of the Islander 11 The Great Agra Treasure 12 The Strange Story of Johnathan Small Go to the index to   The Complete Sherlock Holmes or the Main GRoL menu