A resident of Leesburg, Virginia, Jon Guttman is currently research director for Historynet.com. Specialising in World War I aviation, he has written numerous titles for Osprey including the popular Balloon-Busting Aces of World War I in the Aircraft of the Aces series. Harry Dempsey has been passionate about World War I aviation for over 30 years, having produced the most technically accurate artwork on the subject. Harry completed the aircraft profiles for this volume.Jim Laurier has been commissioned to paint for the US Air Force and has aviation paintings on permanent display at the Pentagon. Jim completed the digital artwork and the cover artwork for this volume.Mark Postlethwaite is a distinguished artist, who became the youngest elected member of the Guild of Aviation Artists in 1991. Mark completed the battlescene for this volume.