Nanchong junior high school textbooks are all people's education edition, Sichuan Chengdu junior high school textbooks are people's education edition, English, history, geography, ideology and morality are people's education edition, mathematics and biology are Beijing Normal University edition, and science is Zhejiang Education Edition.
Conceptual textbooks, popularly speaking, are books used in schools, also called "textbooks" or "textbooks". It is a blueprint for teachers to educate students and an indispensable tool for teacher-student interaction in teaching. It can provide rich reading materials.