Pirated colors are lighter than genuine ones, the catalogue will be biased, and there must be anti-counterfeiting codes. If there is no security code, it must be piracy. There are three lists for genuine books and only one list for pirated books. The pirated gift material is a bit soft, and the genuine one is a bit hard. In piracy, the color of the gift with dialog box is light, and the other colors are dark. Pirated books are thicker than genuine ones. The genuine ones are all tattooed, although there are pirated ones, but it is limited to this, because the genuine ones have a rough feeling to the touch. The pirated words are deeper and more transparent than the genuine ones, and the genuine ones are lighter in color. The pirated page numbers are different, too. The genuine version is in the middle and the pirated version is in the lower right corner.