I suggest you go directly to the local book wholesale market to purchase goods. Because you are a new bookstore and the scale is relatively small, contact the publishing house directly. First, the discount is relatively high. Second, they won't take you seriously.
3. Teaching AIDS, of course, plus some educational theories (mainly for teachers). Of course, when purchasing goods, we must find out what version of textbooks the local schools choose. There are many versions of teaching materials now, otherwise the goods you bought may not match, and you will lose a lot.