1, order books through the publishing house. Small shops rarely do this, and only when they reach a certain scale will they consider buying books from publishers.
2. Buy books through distributors in the book wholesale market. This is the most common channel. There are many kinds of books in the book wholesale market, which are convenient to choose according to the market sales positioning and have certain advantages in price. Choosing books on the spot can also better distinguish the quality of books and judge whether they are pirated.
3. Order some books through online channels. We should pay special attention to the problem of selling illegal publications. At present, some publications sold online have not gone through the formal channels and procedures of the state, and even have no ISBN. Selling such illegal publications, once discovered, will have quite serious consequences.
What reference books should be used in high school biology competition?
Chen Yuehtseng's General Biology is an introductory college textbook, which p