David Achord

After being vaccinated, two survivor groups in Ohio become infected, unleashing an apparent new strain of the zombie virus. Through Zach Gunderson's investigation, he finds a traitor in their midst who is trying to sabotage the rebirth of America by any means necessary....

In the ongoing saga of the Zombie Rules series, Zach, his family and friends are lured from their home in Tennessee and relocate to a post-apocalyptic bunker known as Mount Weather....

It's been over two years since the zombie apocalypse changed the world. Zach Gunderson is still reeling after the brutal massacre of most of his loved ones and the abduction of his two children....

It is the ninth year of the zombie apocalypse. Zach and his group of survivors at Mount Weather are struggling with the effects of no manufacturing and the difficulties of reestablishing the United States of America....

Zach Gunderson and his friends have carved out a life for themselves in a post-apocalyptic world ravaged by zombies. But survival is a daily struggle....

Zach is back at Mount Weather and has resumed his role as Director of Operations. In addition to working to make America functional again, and the upcoming birth of a child, Zach is faced with a new dilemma.

There has been a major upheaval at Mount Weather. The president has been assassinated. Her running mate, who was her husband, is sworn in as president in order to preserve democracy, but in only a short time his behavior has put the Mount Weather community in a state of turmoil....

It's now two years since the zombie apocalypse changed the world. Survival is precarious for Zach Gunderson and his friends. They are encountering zombies who are evolving....

Rick, an aging Vietnam veteran, alcoholic, and prepper, convinces Zach Gunderson that the apocalypse is on the horizon. The two of them take refuge at a remote farm....