From the creators of THE AMORY WARS saga and KILL AUDIO comes a deadly new vision of New York City! The zombie apocalypse has transformed the city into two separate battle-hardened fiefdoms! And only one man, whose family has been ripped away from him, stands between these two warring factions. Wielding an artifact from the past that imbues him with a surprising power…find out what happens when he discovers THE KEY OF Z. Features a special zombiefied incentive cover by Tony Moore, co-creator of THE WALKING DEAD!