A #1 New York Times Bestselling Author
On the ocean liner Mauretania‚ two European scientists with a dramatic new invention are barely rescued from abduction by the Van Dorn Detective Agency’s intrepid chief investigator‚ Isaac Bell. Unfortunately‚ they are not so lucky the second time — and one of the scientists dies. War clouds are looming‚ and a ruthless espionage agent has spotted a priceless opportunity to give the Germans an edge. It’s up to Bell to figure out who he is‚ what he’s up to‚ and stop him.