[...] To achieve the new teaching program, the appropriate supportive and auxiliary material is needed for all subjects, especially for the language lesson, which is particularly demanding. The enrollment of a large number of foreign students, especially in primary schools, makes the need for a detailed and comprehensive language aid more urgent.
This school aid aims to meet this new effort by helping educators and students approach the textbook more easily and find answers to language teaching and learning problems. [...] (from the book's preface)