The remains of a two-lane street stretched down for miles, decorated by potholes lined with charred heaps of concrete and metal. A dull blue traffic sign hanging from a metal wire flashed in the corner of Vance’s eye as he led Winslow down the street.

NO RIGHT TURN. Its surface was pocked with decay.

It wasn’t long before the road opened up to a wide dead end that housed two broken-down dumpsters and a caved-in wall. Winslow was coming. Thanks to his ...