How many books are there in Ningxia senior high school Chinese?

There are 20 Chinese books in senior high schools in Ningxia. According to the relevant public information (new curriculum standard), there are ***5 required books, 15 elective books and ***20 textbooks in high school Chinese textbooks. They are: new curriculum standard high school Chinese compulsory 1, new curriculum standard high school Chinese compulsory 2, new curriculum standard high school Chinese compulsory 3, new curriculum standard high school Chinese compulsory 4, new curriculum standard high school Chinese compulsory 5, new curriculum standard high school Chinese elective 1 China novel appreciation, new curriculum standard high school Chinese elective 2 China ancient poetry and prose appreciation, new curriculum standard high school Chinese elective 3 foreign poetry and prose appreciation. Appreciation of famous books, new curriculum standard high school Chinese elective course 5 appreciation of foreign novels, new curriculum standard high school Chinese elective course 6 biographies of Chinese and foreign characters, new curriculum standard high school Chinese elective course 7 readings of pre-Qin philosophers, new curriculum standard high school Chinese elective course 8 language and writing application, new curriculum standard high school Chinese elective course 9 writing and revision, new curriculum standard high school Chinese elective course 10 movie masterpiece appreciation, Chinese Elective Course in Senior High School in New Curriculum Standard 165438 Appreciation of Poetry and Prose, Speech and Debate in Chinese Elective Course in New Curriculum Standard 12, News Reading and Practice in Chinese Elective Course in New Curriculum Standard 13, Research on China Cultural Classics in Chinese Elective Course in New Curriculum Standard 15 China Folk Culture.