A coursebook is a textbook that teachers use, usually, students have one too, and it is used to follow systematically a basis for language course.
There are some criterias against the use of coursebooks, like :
- Inadequacy (can’t supply learning needs).
- Irrelevance, lack of interest ( not necessary or relevant).
- Limitacion ( Inhibit teacher’s initiative).
- Homogeneity ( Lack of variety of levels),& Over-easiness (Too easy).