The Sign of the Four by Arthur Conan Doyle
QR code
"The Sign of the Four" by Arthur Conan Doyle is a detective novel published in 1890. When Mary Morstan seeks Sherlock Holmes's help regarding her missing father and mysterious annual gifts of pearls, the investigation leads to a buried treasure, a vengeful one-legged man, and murder. Holmes and Watson must pursue suspects through London, unraveling a decades-old conspiracy that stretches from India's colonial past to the Thames. The case tests both Holmes's
deductive powers and Watson's loyalty to their intriguing client. (This is an automatically generated summary.)
Download for free
For your e-reader or reading app — Kindle, Kobo, Apple Books, Calibre etc.
Kindle → Use Send-to-Kindle
- Download the EPUB3 file above
- Upload it on the Amazon site your Kindle is registered with: amazon.com/sendtokindle for the US, amazon.co.uk/sendtokindle for the UK etc.
- It appears on your Kindle and in the Kindle app
Kobo, Nook etc. → Transfer via USB
- Download the EPUB3 file on your computer
- Connect your e-reader by USB and tap "Connect" on its screen
- Drag the file onto the e-reader drive
Phone, Tablet or Computer → Online or Reading App
Easiest: read online in your browser. Nothing to install.
Or use a reading app:
- Find and install one you like, for example Apple Books, ReadEra or Thorium Reader
- Download the EPUB3 file above
- Open it in the app
More help: iPhone / iPad · Android · Computer
Other formats & older devices
There may be more files related to this item.
About this eBook
| Author | Doyle, Arthur Conan, 1859-1930 |
|---|---|
| Title | The Sign of the Four |
| Note | Wikipedia page about this book: en.wikipedia.org/wiki/The_Sign_of_the_Four |
| Reading Level | Reading ease score: 81.6 (6th grade). Easy to read. |
| Language | English |
| LoC Class | PR: Language and Literatures: English literature |
| Subject | Holmes, Sherlock (Fictitious character) -- Fiction |
| Subject | Private investigators -- England -- Fiction |
| Subject | Detective and mystery stories |
| Category | Text |
| eBook-No. | 2097 |
| ISBN (HTML) | 979-8-238-02097-6 |
| Release Date | Mar 1, 2000 |
| Last Update | Apr 6, 2026 |
| Copyright | Public domain in the USA. |
| Downloads | 12972 downloads in the last 30 days. |
Project Gutenberg eBooks are always free!