Sherlock Holmes novels book 2 · 1890
The Sign of the Four
Mary Morstan, a young governess, asks Sherlock Holmes for help: for six years she has received a pearl every year from an unknown sender, and now she has been invited to a meeting. The case leads to a stolen treasure from India and a chase down the Thames.
Spoiler-free summary written for The Recurring Cast.
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Book facts
- Author
- Arthur Conan Doyle
- Series
- Sherlock Holmes novels, book 2 of 4
- Published
- 1890
- Setting
- Set in London
- Characters charted
- 5
- Chart confidence
- High
Who is in The Sign of the Four
5 recurring or key characters from Arthur Conan Doyle’s chart. Introduces Mary Morstan.
Lead 1
- Sherlock HolmesConsulting detectiveAlso in books by Laurie R. King
Major 2
- Dr John WatsonArmy doctor, Holmes’s friend and chronicler
- Mary MorstanFirst appearanceGoverness who becomes Watson’s wifeMeets Watson
Minor and cameo 2
- Mrs HudsonLandlady at 221B Baker Street
- The Baker Street IrregularsStreet children who help Holmes
Also featuring these characters
Other Arthur Conan Doyle books that share the most characters with The Sign of the Four.
- The Adventures of Sherlock Holmes1892 · Sherlock Holmes stories · 4 shared charactersBuy on Amazon
- The Memoirs of Sherlock Holmes1894 · Sherlock Holmes stories · 3 shared charactersBuy on Amazon
- The Return of Sherlock Holmes1905 · Sherlock Holmes stories · 3 shared charactersBuy on Amazon
- The Valley of Fear1915 · Sherlock Holmes novels · 3 shared charactersBuy on Amazon