Yang Liu couldn't help but pull it out. When he opened it, he saw that the first half of it recorded the most simple and easy moves in all kinds of fist techniques. The latter half of it was also very simple, but it was somewhat vicious. There were many moves like the Yin-yang kicking that were taboo for martial artists. There were also some diagrams that could quickly kill people. I thought the book's name should not be "Third-class Boxing Book", but "Uninvited Boxing Book". Yang Liu looked down on the author of the book, but he just held it in his hand and didn't let it go. "Brother, are you planning to buy this third-rate manual?" A surprised voice suddenly came from the side. Yang Liu turned his head and saw the speaker was a middle-aged man in a suit. He looked decent and upright. Y

