Sherlock Holmes: The Sign of the Four

Another grey London day. At 221B Baker Street, Sherlock Holmes is bored and gloomy. For months, the increasingly famous, clever detective has had no case to work on, and with nothing to occupy his restless mind, he marches up and down the flat. His friend Dr Watson is becoming concerned for his health – and affected by his disturbing behaviour.

So when Miss Morstan requests Holmes’s help to find her father and explain the mysterious pearls being sent to her, Holmes and Watson welcome the new adventure. Holmes’s mood lifts as he reveals a complicated story of lost Indian treasure and murder. And for Watson, love seems to be in the air…

Oxford Bookworms Library is a readers series for secondary and adult learners, with seven reading levels from A1-C1. Including over 270 original and adapted texts graded and available with audio and in e-book formats, it ensures a comfortable read at every level.


Sir Arthur Conan Doyle, retold by Clare West





Word count



Oxford Bookworms Library

Collection level

Stage 6


Cambridge English: First (FCE); Cambridge Advanced (CAE); IELTS 5.0 – 7.0; TOEIC 785 – 990; TOEFL 87 – 120

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