The Red Thumb Mark

<p>When a valuable diamond is stolen from a safe all evidence points to a single incriminating fingerprint. But Dr. John Thorndyke a brilliant forensic investigator suspects that the case is not as straightforward as it seems. Using logic scientific analysis and a deep understanding of criminal deception he sets out to unravel a mystery where appearances are dangerously misleading. A pioneering work in forensic detective fiction <em>The Red Thumb Mark</em> introduces readers to the meticulous and ingenious methods of one of literature's greatest sleuths.</p><p></p>