CAIRO: The Center for Documentation of Cultural and Natural Heritage is participating in the Cairo International book fair for the second time. “The Heritage Documentation Centre risen in popularity and achieved best sales in Egyptian and Arab book markets in 2010. The center therefore deserved to participate in the second Cairo International Book Fair," said head of Heritage Documentation Centre, Fathy Saleh. The center presents discounts of 25 percent for all books and CDs during the period of the book fair. Books of heritage witnessed a great deal of popularity since the opening of the book fair. It should be mentioned that all Heritage center tell neutral and civilized Egyptian and Arab history in English and Arabic. The Cairo International Book Fair will last until August 25 on Faisal Street.