The Sign of Four by Arthur Conan Doyle. Summary of the book.

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The Sign of Four by Arthur Conan Doyle

The Sign of Four is a novel by Arthur Conan Doyle and the second of the four Sherlock Holmes novels. It was first published in 1890 in the United Kingdom and tells the story of a murder mystery that Sherlock Holmes and his friend Dr. Watson investigate. The novel is set in London in the late 19th century, and introduces the character of Mary Morstan and her mysterious father, who is the main suspect of the novel.

Plot Summary

The novel begins with Sherlock Holmes and Dr. Watson being invited to investigate a case by an old friend of Watson, Mary Morstan. Mary reveals that her father had disappeared 10 years ago and that she recently received a letter and a pearl from an unknown sender. This leads the two to investigate further, and they soon find out that the sender was one of Mary’s father’s former companions from India. Together, they unravel the mystery and discover that Mary’s father was murdered for a treasure that he and his companions had found in India.

Sherlock Holmes and Dr. Watson eventually discover that the murder was committed by two of the former companions, who were seeking the treasure for themselves. In the end, the treasure is recovered and the two criminals are brought to justice. The novel ends with Mary and Watson getting married.

Main Teachings

  • Logic and deduction: The novel emphasizes the importance of logic and deduction in solving mysteries, which is a recurring theme in Sherlock Holmes stories.
  • Friendship: The novel shows the strong bond between Sherlock Holmes and Dr. Watson, and how their friendship is essential in solving mysteries.
  • Justice: The novel teaches us the importance of justice and standing up for what is right, even when it may be difficult.

Interesting Facts

  • The novel was first published in the Strand Magazine in 1890 and was later published as a book in 1891.
  • The novel was the first to introduce the character of Mary Morstan, who later became Dr. Watson’s wife.
  • The novel was well-received by readers and was one of the most popular of the Sherlock Holmes novels.

Frequently Asked Questions (FAQs)

What is The Sign of Four about?

The Sign of Four is a novel by Arthur Conan Doyle and the second of the four Sherlock Holmes novels. It tells the story of a murder mystery that Sherlock Holmes and his friend Dr. Watson investigate. The novel is set in London in the late 19th century, and introduces the character of Mary Morstan and her mysterious father, who is the main suspect of the novel.

Who wrote The Sign of Four?

The Sign of Four was written by Arthur Conan Doyle, an author best known for his Sherlock Holmes stories.

When was The Sign of Four published?

The novel was first published in the Strand Magazine in 1890 and was later published as a book in 1891.

What is the main theme of The Sign of Four?

The main themes of the novel are logic and deduction, friendship, and justice.

Who are the main characters in The Sign of Four?

The main characters in The Sign of Four are Sherlock Holmes, Dr. Watson, and Mary Morstan.

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