A man wakes in a cell. He doesn\"t know who he is or how long he has been here. He doesn\"t even know his name. All he knows is that someone has left the cell door open… Nevil Hammersmith is a former Metropolitan Police sergeant. He became a private detective when his colleague Walter Day went missing investigating the Ripper case....

The Devil\"s Workshop is the third historical thriller in Alex Grecian\"s acclaimed Scotland Yard Murder Squad series. April, 1890. London wakes to the shocking news of a mass prison escape....