From the #1 New York Times bestselling author of the Penn Cage series comes a gripping World War II thriller that "vaporizes almost every clich about the limits of the genre... it's] good enough to read twice"( Kirkus Reviews ). It is January 1944--and as Allied troops prepare for D-Day, Nazi scientists develop a toxic nerve gas that will repel and wipe out any invasion force. To salvage the planned assault, two vastly different but equally determined...