The following are some places where you can buy books that might be cheap and of good quality: 1. The Book City of Shen Zhen: The Book City of Shen Zhen, located in the central area of Shen Zhen, is a well-known large-scale comprehensive bookstore with a large number of famous books and popular novels from home and abroad. It was reasonably priced and provided a comfortable reading environment and professional consulting services. 2. Amazon: Amazon is a global e-commerce platform. The Amazon Bookstore in the Shenzhen-area provides a variety of books, including novels, biographies, history, philosophy, etc. It was relatively cheap and offered fast delivery and a wide range of purchasing options. 3. Second-hand bookstores: There are some second-hand bookstores in Shen Zhen that are cheaper than new books, but pay attention to the quality and edition of the books you buy. You can find these bookstores in local community centers, parks, and other places. 4. Online bookstores: In addition to the Amazon and Jingdong bookstores mentioned above, there are also some online bookstores that provide book purchasing services such as Taobao and Dangdang. It was important to note that the prices of these online bookstores were generally higher than those in physical stores, and one had to carefully compare the price and quality of the books when purchasing.