The Sign of the Four by Arthur Conan Doyle

"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.)

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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
Release Date
Most Recently Updated Dec 14, 2025
Copyright Status Public domain in the USA.
Downloads 8790 downloads in the last 30 days.
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