9 books • 2 series
Der rote Kampfflieger (Der Rote Baron)
Der rote Kampfpilot
The Red Baron's Autobiography
Der Rote Kampfflieger
Der rote Kampfflieger
Der rote Baron
The Red Fighter Pilot
The Red Air Fighter (Vintage aviation library, No 25) (Greenhill Military Paperback S.)
Red Baron