BEIJING, May 5  -- China has published a book on the development of its free trade zones (FTZ) in Shanghai, Guangdong, Tianjin and Fujian, which is now available at Xinhua Bookstore outlets across the country.

The book includes general plans on the four FTZs, a negative list detailing foreign investment barred from admission to the FTZs, and a trial methodology detailing national security supervision over foreign investment.

The book was released by the People's Publishing House.