by Cora Buhlert
1936: A villain calling himself the Master of the Air threatens to let death and destruction rain down upon New York City. The very next day, an airship taxi explodes. But was it an accident or sabotage? Police Captain Justin O'Grady and the Silencer both investigate. But it's a race against time, because the villain already has a new target: The Zeppelin Imperator, the largest airship ever built.