Nearly 40 purchasers are from outside the Chinese mainland, including the US, Japan, South Korea, Singapore, Australia, Canada, India, Taiwan and Hong Kong.
The fair will be staged in a exhibition venue of 50,410 square meters in the China International Exhibition Center.
According to the fair's organizer, 2,350 exhibition booths have so far been reserved, and the 2013 Fair will for the first time provide retail services, and sell second-hand books on discount.
Beijing Book Fair, supervised by the general administration of press and publications, is organized by Publishers Association of China and the Books and Periodicals Distribution Association of China. The 2013 Beijing Book Fair will be the 25th of its kind.