Eric Flint is a modern master of alternate history fiction, with over three million books in print in his Ring of Fire series. With David Drake he has written six popular novels in the Belisarius alternate Roman history series, and with David Weber collaborated on 1633 and 1634: The Baltic War and the Crown of Slaves Honorverse series, with latest entry New York Times bestseller, Cauldron of Ghosts. Flint was for many years a labor union activist. He lives near Chicago, Illinois.