July, 1944: The lush, rolling hills of Normandy are dotted with a new feature--German snipers. From their vantage points, they pick off hundreds of Allied soldiers every day, bringing the D-Day invasion to its knees. It's clear that someone is tipping off these snipers with the locations of American GIs, but who? And how? General Eisenhower demands his intelligence service to find the best shot in the Allied military to counter this deadly SS operation....

"Basil St. Florian is an accomplished agent in the British Army, tasked with dozens of dangerous missions for crown and country across the globe. But his current mission, going undercover in Nazi-occupied France during World War II, might be his toughest assignment yet. He will be searching for an ecclesiastic manuscript that doesn't officially exist, one that genius professor Alan Turing believes may hold the key to a code that could prevent the...