In the comprehensive wholesale market, you turn left when you leave the school gate of West Normal University, then go to Beixia Road, go ahead, pass by Gome, go to Zhouyufu, and then go down (there is an entrance).

If the textbooks are high school and junior high school, there are many, and there are also many universities.

In fact, there is a seller of used books in Jinyun Shopping Mall of Southwest University, next to eating wooden bucket meal, opposite Fujian steamed dumplings. There are many college textbooks.

If it really doesn't work, go to the Zhangshu Forest Forum of Southwest University for help. You can definitely buy the cheapest one.