Audio Book: Sherlock Holmes #9 - The Adventure of the Engineer's Thumb

Audio Book: Adventures of Sherlock Holmes #9 - The adventure of the Engineer's Thumb - Crime Detective Who Done It Novel Investigation - A hydraulic engineer is hired to repair a press at a remote country house. When he learns that the press is being used for counterfeiting, he is attacked and his thumb is cut off. Sherlock Holmes and Dr. Watson must use all of their skills to solve the mystery and bring the criminals to justice.