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The clever and thrilling debut of literature's first forensic detective

In all of London, there are few who know more about science than Dr. John Thorndyke, and fewer still who know more about crime. A "medical jurispractitioner" equally at home in the lab or the courtroom, he has made his name confronting the deadliest criminals in England with irrefutable proof of their guilt. In the case of the red thumb mark, however, Thorndyke must set his singular mind to saving an innocent man.



A ...