Look at the price Above 450 yuan, are generally genuine. If it is lower than 450 yuan, it is probably pirated.

Second:

Look at the bookstore. Where did you buy this book? If it is a regular bookstore, such as Xinhua and Dongtu, most of them are not pirated.

Third:

Look at the publishing house If it is a publishing house similar to relay and people's literature, it should be a real edition.

Fourth:

Reading words, there are no typos in the book, or words or sentences that you can't understand at all, it must be piracy.

Fifth:

Look at the quality, needless to say, less than a month after buying, there will be serious wear and tear, book cover falling off and so on, which is also piracy.

However, thicker books such as The Order of the Phoenix, Deathly Hallows and Half-Blood Prince are bound to be damaged after half a year. Secondly, like the hardcover collector's edition, it is normal that the book cover often falls off.

Finally, if you buy books online, more than 75% of them are pirated. You know, these books are very valuable.