John Ringo is the New York Times best-selling author of the Black Tide Rising series, the Posleen War series, the Through the Looking Glass series, and more, including the Troy Rising series, of which Live Free or Die is the first installment. A veteran of the 82nd Airborne, Ringo brings firsthand knowledge of military operations to his fiction.

In 1974, at age seventeen, Tom Kratman became a political refugee and defector from the PRM (People’s Republic of Massachusetts) by virtue of joining the Regular Army. He stayed a Regular Army infantryman most of his adult life, returning to Massachusetts as an unofficial dissident while attending Boston College after his first hitch. Back in the Army, he managed to do just about everything there was to do at one time or another. After the Gulf War, with the bottom dropping completely out of the anti-communist market, Tom decided to become a lawyer. Every now and again, when the frustrations of legal life and having to deal with other lawyers got to be too much, Tom would rejoin the Army (or a somewhat similar group, say) for fun and frolic in other climes. His family, muttering darkly, put up with this for years. He no longer practices law, instead writing full-time for Baen. His novels for Baen include A State of Disobedience, Caliphate, and the series consisting of A Desert Called Peace, Carnifex, The Lotus Eaters, The Amazon Legion, Come and Take Them, The Rods and the Axe, and A Pillar of Fire by Night. With John Ringo, he has written the novels Watch on the Rhine, Yellow Eyes, and The Tuloriad. Also for Baen, he has written the first three volumes of the modern-day military fiction series Countdown.