On the Edge of Salt by Dixon Reuel

On the Edge of Salt covers the early onslaught of the zombie apocalypse, when firebombs are first used to take out whole cities that are brute–infested. With a hidden home and smallholding shielded from the world, Rise is confident that his coven is safe behind the red brick walls of Owl Court. But as the night sky burns, a stranger with a terrible secret approaches his walls…