If you are a non-professional, you can tell by the following ways:
1, whether the purchase channel is formal, for example, Xinhua Bookstore is more formal;
2. After you get a book, you can search online. If the cover and the number of pages are the same as yours, you can initially judge that it is genuine;
If you are a professional, you can distinguish them in the following ways:
1, check whether the CIP data on the copyright page of the book is true online;
2. Check online whether the ISBN data on the title page of the book is unique.