Second-hand book price quotation: It is reported that the purchase price of second-hand books varies from place to place, and the purchase price of different buyers in the same place is different, but they are basically purchased according to the local market and standards. According to the price quotation of second-hand books in 2020, the price of second-hand books is about a catty in 0.5 yuan, but sometimes it may be as high as 0.6 yuan -0.8 yuan.