The Thief (Wheeler Large Print Book Series)

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.