The explosive zombie action in Bryan Cassiday’s boxed set Zombie Apocalypse: The Chad Halverson Series will set your teeth on edge. What force on earth can stop the zombies?Nobody knows. All they can do is continue fighting, trying to kill the zombies before the zombies can kill them. The ensuing zombie bloodbath is brutal and relentless–with the zombies gaining the upper hand all over the earth. Get it now at Amazon.