EN
In the Polish (upper)secondary schools the wide range of textbooks of English is used. That is the teacher who chooses the textbook that will be used on his/her lessons. The textbooks of English available on the Polish market are well prepared from the point of view ofmethodologyand are very attractive from the visual point of view. However, because of the fact the students are not homogeneous, there arises the question if the glottodidactic material chosen by the teacher is really effective or effective in the same way in case of all the students in one class of English. The aim of the following article is to show the results of an eye-tracking researchconducted on the group of (upper)secondary school students. The presentation of the results is preceded by a short characteristics of contemporary (upper)secondary school textbooks of English and a short introduction into a problem of dyslexia.