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“Crime is common. Logic is rare. Therefore it is upon the logic rather than upon the crime that you should dwell.” – SHERLOCK HOLMES, The Adventure of the Copper Beeches Dr. Watson presents 10 original cases for you to solve in The Sherlock Holmes Case Book. Each case poses three perplexing mysteries that you will need to answer correctly to discover the perpetrator’s true identity. Do you have logical deduction worthy of Sherlock himself to crack the cases? The game is afoot once more!