Machines of the Dead Series by David Bernstein

The dead are rising. The island of Manhattan is quarantined. Helicopters guard the airways while gunships patrol the waters. Bridges and tunnels are closed off. Anyone trying to leave is shot on sight. For Jack Warren, survival is out of his hands when a group of armed military men kidnap him and his infected wife from their apartment and bring them to a bunker five stories below the city. There, Jack learns a terrible truth and the reason why the dead have risen... moreThe dead are rising. The island of Manhattan is quarantined. Helicopters guard the airways while gunships patrol the waters. Bridges and tunnels are closed off. Anyone trying to leave is shot on sight. For Jack Warren, survival is out of his hands when a group of armed military men kidnap him and his infected wife from their apartment and bring them to a bunker five stories below the city. There, Jack learns a terrible truth and the reason why the dead have risen. With the help of a few others, he must find a way to escape the bunker and make it out of the city alive. less

New York City has fallen. The bot epidemic has spread across the country. Undead roam the lands. Armed with an assortment of weapons, Jack and his crew head north into the snow-covered countryside in search of his sister, but soon find themselves in the middle of a war between the people of Cliff House and a gang of escaped inmates led by the infamous serial killer known as Cannibal.