Day 100: Mass Extinction Event Book 6

One hundred days after humanity was brought to its knees, Elizabeth Marter has joined a small group of survivors in Boston. Under constant attack from scavengers who live beyond the city limits, Elizabeth and the others desperately try to come up with a plan. But when they learn that a more organized enemy is on the way, they realize that they face a battle for what's left of their resources.

Thomas Edgewater, meanwhile, has joined up with a ragged bunch of soldiers who are on their way to B...