There were many channels for wholesale books. The following were some common channels: 1. wholesale market: There are wholesale markets in major cities such as Beijing, Shanghai, Guangzhou, and Guangzhou. These markets were the main gathering places for book wholesalers, where they could find a large number of books. 2. Direct delivery by the publishing house: Some publishing houses have their own wholesale channels. You can contact the publishing house to ask if there are books that need to be purchased. The publishing house will directly deliver the goods to the wholesaler. 3. Second-hand bookstores: There are many second-hand bookstores in the city. These bookstores often have a large number of wholesale books. You can search for books online or go to a second-hand bookstore in your local city. 4. Online wholesale platforms: There are many online wholesale platforms such as Ali Baba and Taobao that can find a large number of book wholesalers and wholesale them online. 5. Local agents: If you don't want to do wholesale online, you can also find local agents directly. They often have a large number of books in their hands. You can consult them about wholesale. The above are some common channels for wholesale books. It is important to choose a suitable channel for yourself. You can choose according to your own needs and budget.