People's Education Press, Shandong Education Press. There are two versions of junior high school physics textbooks in xintai city, Tai 'an, namely People's Education Publishing House and Shandong Education Publishing House. People's Education Publishing House is a junior high school physics textbook named Junior High School Physics (People's Education Edition), which consists of three volumes, namely Grade 7, Grade 8 and Grade 9. Each volume includes two parts: basic part and improved part, covering mechanics, heat, optics, electricity and other knowledge. Shandong Education Press Edition This edition of junior high school physics textbook is called Junior High School Physics (Shandong Edition), which consists of three volumes, namely, the first volume of grade seven, the first volume of grade eight and the first volume of grade nine. Each volume also includes two parts: the basic part and the improvement part, covering the knowledge of learning heat, optics and electricity.