Readability Textbooks 7 Evaluation 5 Arabic language 4 Reading (Secondary) 3 Study and teaching (Secondary) 3 Science 2 Ability testing 1 Curricula 1 Dissertations 1 Dissertations, Academic 1 Illustration of books 1 Legibility (Printing) 1 Mathematics 1 Reading 1 Rhetoric 1 Scientific illustration 1 Study and teaching (Higher) 1 Study and teaching (Primary) 1 Textbooks for foreign speakers 1 Themes, motives 1