According to Tencent. Com, books are priced by volume (sets, volumes and sheets), and the pricing is retail price. Therefore, publishing houses generally sell them to county-level libraries at a discount of 67% of the pricing, which is called a discount, that is, a discount of 67%.

Books refer to discontinuous publications that can be reprinted with paper media as the main carrier. Most of the books are hardcover books, but there are also pictures in bulk.