4 books from series, not consecutive and not whole series titles include: Escape, vengeance, the good fight, the challenge, no survivors. A patriot in the truest sense, David Holden was a law abide and citizen until the laws proved powerless to protect the innocent, to stop innovator hell bent on America's destruction. With an army of renegade X cops and vets, he's fighting back with all the kind of, expertise, and Brute Force at his command. Anytime, any place. Holden in his Warriors are ready to defend the country from the enemy, the enemy outside and the enemy within.