The bookstore in Tianjin that sold the most teaching aids was probably the Tianjin Book Building in Nankai District, Tianjin City. The bookstore was a large-scale comprehensive bookstore that sold all kinds of books, teaching aids, gift cards, and so on. In addition to the common types of books, the bookstore also sold many popular products of the specialty bookstore, such as youth books, literary classics, cutting-edge technology, etc. In addition, the bookstore also provided a comfortable reading environment and professional consulting services. It was a well-received bookstore.