Vietnam veteran Steve White is the author of numerous science fiction and fantasy novels including Wolf Among the Stars, St. Anthony's Fire, and Blood of Heroes and the coauthor of Exodus, the immediate prequel to Extremis. With David Weber, White collaborated on Starfire series novels Insurrection, Crusade, In Death Ground, and New York Times bestseller The Shiva Option. Charles E. Gannon is the author of Compton Crook Award winning, Nebula nominated 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 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.