Zombie Theorem: Aces Mortis Book 4

The world fell apart while Lieutenant Chun and his men trained for a mission in the Nevada desert. They must fight their way across two states and rescue their brother Seals from the zombie hordes crawling all over Coronado Airbase. They need to pick a side in the battle between General Richards and the Culling Initiative. Will they pick the right side or fall into the corrupt trap?