Are you a detective? Get on the case with Sherlock Holmes and Dr. Watson to solve an impossible mystery. See if you can figure out how Holmes pulls the facts together so quickly. Clues at the back of the book will reveal his process of reasoning and how he solved the crime. "Garrideb" is more than an unusual last name. It"s the key to a fortune! John Garrideb must find two more men with the same last name to obtain a deceased Garrideb"s fortune. John finds Nathan Garrideb in London. But when Nathan seeks Holmes and Watson for help, what dark secret will Holmes reveal?