John Ringo is author of the New York Times best-selling Posleen War series which so far includes A Hymn Before Battle, Gust Front, When the Devil Dances (New York Times best seller), and Hell's Faire (New York Times best seller), and is the hottest new science fiction writer since David Weber. Among his other novels for Baen are Into the Looking Glass, the fantasy adventure Princess of Wands, the Council Wars series, which began with There Will Be Dragons, and the Kildar techno-thriller series, which began with Ghost

His collaborative novels include Von Neumann's War with Travis S. Taylor, Cally's War (New York Times best seller) and Sister Time with Julie Cochrane, the New York Times best selling Prince Roger series with David Weber, which began with March Upcountry, and The Road to Damascus with Linda Evans.

A veteran of the 82nd Airborne, Ringo brings first-hand knowledge of military operations to his fiction. He had visited 23 countries and attended 14 schools by the time he graduated high school.

Travis S. Taylor—"Doc" Taylor to his friends—is the author of Warp Speed, The Quantum Connection, and the forthcoming One Day on Mars for Baen. He has a Doctorate in Optical Science and Engineering, a master's degree in Physics, a master's degree in Aerospace Engineering, all from the University of Alabama in Huntsville; a master's degree in Astronomy from the University of Western Sydney, and a bachelor's degree in Electrical Engineering from Auburn University.

Dr. Taylor has worked on various programs for the Department of Defense and NASA for the past sixteen years. He's currently working on several advanced propulsion concepts, very large space telescopes, space-based beamed energy systems, and next generation space launch concepts. In his copious spare time, Doc Travis is also a black belt martial artist, a private pilot, a SCUBA diver, races mountain bikes, competed in triathlons, and has been the lead singer and rhythm guitarist of several hard rock bands.