Harden

It's gotten to the point where it's not really about the zombies, but about people taking advantages of others. Amazon writes, "Reintroducing one of the most beloved heroes in post-apocalyptic fiction, HARDEN immerses you in a reality of desperate gambits, where wrong moves could cost the lives of thousands, but saving them could cost your humanity. The only rule is NEVER STOP FIGHTING.It’s been three years since Lee Harden emerged from his bunker into a world gone mad. Governments have fallen. And new ones have taken their place. In the United Eastern States, Lee and his team of battle-hardened operatives walk a tightrope of survival, keeping their fledgling society safe from the creatures beyond their gates--and from the enemies within.Then, an ambush in hostile territory reveals a traitor in their midst--and leaves Lee barely clinging to life. Wounded and on the run, Lee and his team race to uncover the leak before it’s too late. Through a background of destruction, betrayal, and newly-evolved apex predators, they must stay one step ahead of a ruthless organization spreading out of the south--an organization that has allied with someone who wants Lee dead, and the United Eastern States demolished. But how do you stay ahead of an enemy that knows every move you make?". All in all, I say: READ IT if you've read all the others in the series.