How many Chinese books are there in Ningxia high school?

Ningxia high school Chinese has 20 books. According to the query of relevant public information (new curriculum standards), the People's Education Press's complete set of high school Chinese textbooks has 5 compulsory books, 15 elective books, and 20 elective books. They are: "New Curriculum Standard High School Chinese Compulsory Course 1" "New Curriculum Standard High School Chinese Compulsory Course 2" "New Curriculum Standard High School Chinese Compulsory Course 3" "New Curriculum Standard High School Chinese Compulsory Course 4" "New Curriculum Standard High School Chinese Compulsory Course 5" "New Curriculum Standard High School Chinese Compulsory Course 5" Curriculum Standard High School Chinese Elective 1 Appreciation of Chinese Novels" "New Curriculum Standard High School Chinese Elective 2 Appreciation of Ancient Chinese Poetry and Prose" "New Curriculum Standard High School Chinese Elective 3 Appreciation of Foreign Poetry and Prose" "New Curriculum Standard High School Chinese Elective 4 Appreciation of Chinese and Foreign Drama Masterpieces" "New Curriculum Standards High School Chinese Elective 5 Appreciation of Foreign Novels" "New Curriculum Standards High School Chinese Elective 6 Selected Readings from Chinese and Foreign Biographies" "New Curriculum Standards High School Chinese Elective 7 Selected Readings from Pre-Qin Scholars" "New Curriculum Standards High School Chinese Elective 8 Selected Language Applications" "New Curriculum Standards High School Chinese Elective 9 Article Writing and Revision" "New Curriculum Standards High School Chinese Elective 10 Appreciation of Film and Television Masterpieces" "New Curriculum Standards High School Chinese Elective 11 Chinese Modern Poetry and Prose Appreciation" "New Curriculum Standards High School Chinese Elective 12 Speech and Debate "New Curriculum Standards High School Chinese Elective 13 News Reading and Practice" "New Curriculum Standards High School Chinese Elective 14 Chinese Cultural Classics Study" "New Curriculum Standards High School Chinese Elective 15 Chinese Folk Culture".