Deep Black: Dark Zone

A missing A-bomb and a terrorist threat ignite a global crisis in the New York Times–bestselling author's technothriller.
In a secluded headquarters on the other side of the globe, terrorists plan to set-off an underwater explosion of such hellish force that it could shift the very foundation of the earth's surface. Envisioning world-wide disaster, the terrorists call it God's Revenge.
A nuclear warhead has gone missing. Small in size, it packs up to ten times the kilotons that exploded over Hiroshima. It's now in the wrong hands, ready to detonate a world war of unfathomable proportions.
The National Security Agency enlists ex-marine sniper Charlie Dean to stop the unthinkable. But when his suspicions of a traitor in his shadow become frighteningly true, Dean's race against time could mean the end of the free world.