When a surprise nuclear attack forces Aidan from hiding, he finds the world to be a much different and more deadly place. Now he'll traverse a post-apocalyptic landscape populated by violent redneck looters, rogue military factions, and an army of hungry undead...

Invasion: Zombie Apocalypse

After two combat tours in the Middle East, Aidan Sullivan just wants to be left alone on his family's ranch in the Texas Hill Country.

But when the bombs fall and the dead walk, Aidan risks life and limb t...