The third book in USA Today bestselling author Nicholas Sansbury Smith's propulsive post-apocalyptic series about one man's mission to save the world.
Humans are losing the war. Master Sergeant Reed Beckham and the survivors of 1st Platoon must battle through the tunnels--where they make a grisly discovery.

Dr. Kate Lovato is working on a new bioweapon to destroy the Variants when a derelict Navy Destroyer crashes into the Connecticut shoreline carrying yet another threat.
As the doomsday clock ticks down and military bases fall across the country, the human...