An Analytical Evaluation of Iranian High School ELT Textbooks from 1970 to 2010

Textbooks play a very crucial role in the process of language teaching and learning. the present study carries out an evaluation of two series of elt textbooks used for teaching english language in iranian high schools since 1970 to 2010. for this purpose, tucker's (1975) textbook evaluation model (see appendix) has been employed. the results suggest that one of the main factors for the students' achievement in english language is the elt textbooks. the researcher suggests that in the textbooks, there should be enough opportunity for the learners to communicatively practice the language they are learning.