Einer singt falsch
Felix & Theo
Teach Yourself Improve Your German
Heiner Schenke & Paul Coggle
Aircraft Design Projects, For Engineering Students
Lloyd Jenkinson & Jim Marchman
Der Ruf der Tagesfische und andere Geschichten
Leonhard Thoma
German: An Essential Grammar
Bruce Donaldson
Routledge Essential Grammars (1)