Norman Franks is one of the worlds leading authorities on World War 1 fighter aviation, having published some of the seminal works on the subject. This is his fifth volume on World War 1 aces for Osprey, having written Aircraft of the Aces 32 and 33- 'Albatros Aces of World War I' and 'Nieuport Aces of World War I' in 1999, and Aircraft of the Aces 40- 'Fokker Dr I Aces' (with Greg VanWyngarden) and Aircraft of the Aces 42- 'American Aces of World War 1' in 2001. Harry Dempsey has been passionate about World War 1 aviation for over 30 years, having produced the most technically accurate artwork on the subject. He has illustrated all the books in Aircraft of the Aces series to date.