A thrilling read from New York Times bestseller C.J.Box. Joe Pickett's friend, military veteran Nate Romanowski, faces the battle of his life: one he may very likely lose. Nate knows too much about Special Forces Black Ops' activities in Afghanistan, and his former comrades know the time has come to end the threat he poses once and for all. Their plan incorporates a key tactic that served their secret unit so well overseas: recruiting locals.Nate can trust no one except Wyoming Game Warden Joe Pickett, who is constrained by his oath and duty to the law and the state. But Nate must involve Joe because he knows his enemy will strike at his friends in order to draw him out.The entire Pickett family will be a target. Nate can only fight back outside the law, and Joe must make a choice: help his friend or keep the peace?Reviews for Force of Nature'Shines on every level.' Billings Gazette'Another amazing thriller from C.J.Box.' Chicago Sun-Times