|Other Retailer||Price Checked Time||Their Price in AUD||Our Price|
|Amazon UK||2 days ago||23.19||$13.71||You save $9.48|
|Amazon US||2 days ago||20.11||$13.71||You save $6.40|
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. 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 is the author of Warp Speed, The Quantum Connection, and One Day on Mars for Baen. He has worked on various pro-grams 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. "Doc" Travis is also a black best martial artist, a private pilot, a SCUBA diver, has raced mountain bikes, competed in triathlons, and has been the lead singer and rhythm guitarist of several hard rock bands.