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Arthur Conan Doyle

The Sign of the Four

Name: The Sign of the Four
Brand: Polyglot Publishing
SKU: 1e3e568b-cf16-f57a-a8e0-2d3c7b7b692d-sk-en
Price: 23.99 EUR
Availability: InStock
Author: Arthur Conan Doyle

Original publication: 1890
Bilingual edition: June 12, 2026
Pages: 252
Difficulty: ★☆☆
Genres: Crime and Thriller, Adventure
Translated from: English

Book summary

Sherlock Holmes, a brilliant detective, is hired by Mary Morstan to solve a case involving a mysterious inheritance and an unexplained disappearance. Accompanied by Dr. Watson, he enters a complex investigation of cryptic clues, chases, and unexpected revelations. Each element fits into a flawless logic, revealing a far larger plot than it first appears. The author delivers a fast-paced investigation where intelligence, observation, and deduction confront crime and secrecy.

The plot

Six pearls from a stranger. Every year, a young woman, Mary Morstan, receives a magnificent pearl in the post, without knowing who sends it. One morning, an unsigned letter asks her to a meeting that very evening. She…

The world of the book

The largest city in the world. The case unfolds in London, the capital of the British Empire. In the evening, fog covers the streets and the banks of the Thames, lit by gas lamps. People get about by horse-drawn cab.…

The author

At twenty, this medical student sailed to the Arctic as doctor on a whaling ship. He based Sherlock Holmes on Joseph Bell, his teacher in Edinburgh, who could guess a patient’s trade just by looking at him. In 1889, an…

The benefits of the bilingual method with Line-by-line synced layout

Every line of the original has its translation directly beneath it, at the same height. You never lose your place: your eye drops one line and lands on exactly the sentence it just read. This is the layout that lets you open a book in a language you barely know without ever giving up, and compare the two texts almost word for word.

The excerpt shows the method using another book from the catalogue, not this one.

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