Valuable reference to rudder markings of many pilots, including aircraft type and unit.[AuthorName]By Karl Ries and Ernst Obermaier[/AuthorName][AuthorBio]Karl Ries is the author of many books on the Luftwaffe including Luftwaffe Rudder Markings 19361945 with Ernst Obermaier, available from Schiffer Military History. Hans Ring is co-author with Werner Girbig of a unit history of JG 27.[/AuthorBio][NumIllustration][/NumIllustration][CoAuthor][/CoAuthor][SubTitle][/SubTitle][ColorPattern][/ColorPattern]