SWAT is prepared for every scenario, except for when the dead walk. In the early morning hours of Day Zero, Brandon Shelton and the rest of his SWAT team respond to a routine call on the University of Texas campus. As the situation goes from bad to worse, they struggle to survive the day against the growing horde of zombies. Dead America: Ground Zero is a prequel to the long running Dead America series. With 47 books in print, and dozens more planned for 2021, the zombie apocalypse is raging.