
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.
License
Public Domain
Originally published
1890
Latest release
Oct 8, 2026
Pages
157
Format
6 × 9 in (152 × 229 mm)
Book type
Novel
Frequently asked questions
- What is the title of this project?
- The title shown for this project is “The Sign of the Four”. It is the heading used to identify this listing and distinguish it from the other details shown here. This answer repeats the title displayed on the page; it adds no description or information beyond that page metadata.
- Which author credit is shown?
- 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.
- Which language editions are listed?
- 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
- I. The Science of Deduction
- II. The Statement of the Case
- III. In Quest of a Solution
- IV. The Story of the Bald-Headed Man
- V. The Tragedy of Pondicherry Lodge
- VI. Sherlock Holmes Gives a Demonstration
- VII. The Episode of the Barrel
- VIII. The Baker Street Irregulars
- IX. A Break in the Chain
- The End of the Islander
- XI. The Great Agra Treasure
- XII. The Strange Story of Jonathan Small