G'morning Gerrit, 

 GK>> I always had difficulties to understand what a /textbook/ in
 GK>> English speaking countries really is. There is a faint memory
 GK>> that it had something to do with the "audience". Textbooks
 GK>> are for undergraduate students, or something like that?

Mmmm ... for me, a textbook is always a standard account of a 
particular subject,  used in studying or practicing that subject.

A good example in my field of psychology would be Kantowitz & 
Sorkin's "Human Factors: Understanding People-System 
Relationships" out of Wiley & Sons, ISBN 0-471-09594-X... a 
compedium of empirical findings of the limits of human 
performance.

Not being familiar with the German language, I have no idea how 
this might be termed in German - but there's my definition of a 
textbook for your translation...

:-))
 
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