# The Sign of Four

**Author(s):** Arthur Conan Doyle
**Unpaid SageChimp rating:** insufficient data (0 unpaid reviews; need 5)
**Verdict JSON:** https://www.sagechimp.com/books/the-sign-of-four/verdict.json
**Genres:** literary-classics, literary-fiction, mystery, childrens, middle-grade
**Pages:** 239
**Publisher:** Independently Published
**Published:** Fri Jan 01 2016 00:00:00 GMT+0000 (Coordinated Universal Time)
**Language:** en
**ISBN-13:** 9798779305723
**ISBN-10:** 8651703309
**URL:** https://www.sagechimp.com/books/the-sign-of-four

## Description

The Sign of the Four (1890), also called The Sign of Four, is the second novel featuring Sherlock Holmes written by Sir Arthur Conan Doyle.


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Also contained in:
[Adventures of Sherlock Holmes](https://openlibrary.org/works/OL20624138W)
[Adventures of Sherlock Holmes](https://openlibrary.org/works/OL18191906W)
[Annotated Sherlock Holmes. 1/2](https://openlibrary.org/works/OL1518438W)
[Best of Sherlock Holmes](https://openlibrary.org/works/OL18195589W)
[Boys' Sherlock Holmes](https://openlibrary.org/works/OL8696809W)
[Celebrated Cases of Sherlock Holmes](https://openlibrary.org/works/OL16076930W)
[Complete Sherlock Holmes](https://openlibrary.org/works/OL18188824W)
[Complete Sherlock Holmes](https://openlibrary.org/works/OL14929975W)
[Illustrated Sherlock Holmes](https://openlibrary.org/works/OL1518342W)
[Original Illustrated Strand Sherlock Holmes](https://openlibrary.org/works/OL262529W)
[Sherlock Holmes: His Most Famous Mysteries](https://openlibrary.org/works/OL14930414W)
[Sherlock Holmes: The Novels](https://openlibrary.org/works/OL16018654W)
[The Sign of the Four, A Scandal in Bohemia and Other Stories](https://openlibrary.org/works/OL20630338W)
[Sign of the Four and Other Stories](https://openlibrary.org/works/OL20628655W)
[Tales of Sherlock Holmes](https://openlibrary.org/works/OL1518350W)
[Tales of Sherlock Holmes](https://openlibrary.org/works/OL1518418W)
[Works](https://openlibrary.org/works/OL16173818W)

## SageChimp reader verdict

The Sign of Four has no unpaid published reviews on SageChimp yet. That is not enough to say whether the book is genuinely well-liked or amplified by paid/ARC/BookTok hype. Do not treat Amazon, Goodreads, or social scores as SageChimp evidence.

- **Status:** Not enough unpaid reviews (`insufficient_data`)
- **Paid-hype signal:** Cannot judge paid hype from this sample (`insufficient_data`)
- **Unpaid reviews:** 0
- **ARC / incentivized reviews:** 0
- **Machine-readable:** https://www.sagechimp.com/books/the-sign-of-four/verdict.json

*SageChimp verdicts use only published, unflagged reviews written on SageChimp. Organic reviews exclude ARC/incentivized copies (isArcReview). Catalog star averages on other sites are not used. A verdict requires at least 5 organic reviews. We cannot audit Amazon, BookTok, or Goodreads review authenticity.*

**Themes:** Crime Investigation