Eric Flint is a modern master of alternate history fiction, with more than three million books in print. He's the author/creator of the multiple New York Times best-selling Ring of Fire series, starting with first novel 1632. With David Drake, he has written six popular novels in the Belisarius alternate Roman history series, and with David Weber, he has collaborated on 1633 and 1634: The Baltic War and latest Honorverse series entry Cauldron of Ghosts. Flint's latest Ring of Fire novel is 1637: The Polish Maelstrom. Flint was for many years a labor union activist. He lives near Chicago, Illinois. Charles E. Gannon is the author of Compton Crook Award-winning, Nebula-nominated novels Fire with Fire, Trial by Fire, and Raising Caine, in the Caine Riordan series. He is the coauthor with Eric Flint of 1636: The Papal Stakes and 1636: Commander Cantrell in the West Indies in Eric Flint's best-selling Ring of Fire series. With best-selling author Steve White, Gannon is the coauthor of Starfire series entries Extremis, and Imperative. Gannon is also the author of multiple short stories. He is a member of SIGMA, the SF think tank which has advised various intelligence and defense agencies since the start of the millennium. Chuck lives near Annapolis, Maryland, with his wife and children.