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The Sign of the Four

The Sign of the Four

An analytical detective is consulted by a young woman who has received a strange communication regarding her long-missing father and a mysterious treasure.

Languages
License
Public Domain
Originally published
1890
Latest release
Oct 8, 2026
Pages
157
Format
6 × 9 in (152 × 229 mm)
Book type
Novel
Read
Public page

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The author credit displayed for this project is Arthur Conan Doyle. It is the byline shown with the title in the project details. This FAQ repeats that credit only; it does not infer additional contributors, editors, translators, or roles not displayed on this page.
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The language editions listed on this page are English, Español. These labels identify the editions shown in the project details. This answer refers only to those listed languages and does not suggest that another edition exists. No other language or edition information is implied by this list.

Table of Contents

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