Edgar Wallace 
Man Who Was Nobody 

A gripping diamond heist page-turner from the father of the modern thriller.When a valuable diamond is stolen, a private investigator is sent to track him down. However, the trail turns cold when the perpetrator turns up dead. Where is the diamond, and who murdered him?This action-packed thriller will keep you hooked until the very end. A must-read for fans of James Bond, Alfred Hitchcock, and John Buchan.-