Invasion: Zombie Apocalypse. THEM #0.5

Invasion: Zombie Apocalypse is book #0.5 in the THEM Series. The action-packed prequel to M.D. Massey\'s THEM Post-Apocalyptic Military Fantasy Series...   Aidan is a war vet coping with PTSD by isolating himself from the world. After a violent encounter causes him to relapse, he retreats to the only place he feels safe-the deep wilderness of his family\'s Hill Country ranch.   But when a surprise nuclear attack forces him from hiding, he finds the world he left behind to be a much different and more deadly place. Now to rescue his aging parents he must traverse a post-apocalyptic landscape populated by violent redneck looters, rogue military factions, and an army of hungry undead.   Aidan knows he\'s in a race against the clock, because it\'s only a matter of time before his parents\' home is overrun by the walking dead. Will he save them from the dead, or lose the last of his family to a world that\'s slipped into chaos and madness?