Orijinali bir ders kitabı olarak yazılmıştır.
 - The original was written as a school textbook.
Bu, iyi bir ders kitabı.
 - This is a good textbook.
Kitapçıda ders kitapları satıyorlar.
 - They sell textbooks at the bookstore.
Ders kitaplarını nereden alırız?
 - Where do we get the textbooks?
a kind of descriptive account or a social, geographical, anthropological, or historical commentary that may at times have a certain textbook tone to it.
In many ways the Korean nuclear crisis is a textbook example of coercive diplomacy — its strengths as well as the risks inherent in such a strategy.
... or read textbooks or books or other things that might be ...
... It's in our physiology textbooks. ...