A team of three / 

Summary: "America’s newest enemy launches an audacious plan to incapacitate the country. A never-before-seen danger is about to be unleashed on an unsuspecting public. And the world faces a crisis unlike any before. Can intelligence analyst Haley put the puzzle together in time from the safety of her office - or is she meant to risk it all as a field asset? And is Axe, a former Navy SEAL, capable of overcoming a foe with nothing to lose? The clues are cleverly hidden. The threats are terrifying. And the stakes have never been higher. For the USA, the world, Axe, and Haley. They are on their own, in deep, and desperate. All they have is each other, their dedication, and their skills… but will that be enough to prevent death and destruction?" -- Back cover