Download or read book The Red Thumb Mark written by R. Austin Freeman and published by House of Stratus. This book was released on 2012-09-30 with total page 227 pages. Available in PDF, EPUB and Kindle. Book excerpt: John Hornby is the owner of a dazzling diamond business. A consignment is entrusted to his nephews who place the hoard in a safe overnight. But come the morning, the diamonds are missing and incredibly, the safe has been left untouched, except for two blood smeared thumb prints. Will Dr Thorndyke solve the enigma of the red thumb mark?