Zhao Rukuo

Zhao Rukuo, also romanised as Zhao Rugua, Chau Ju-kua, or as Zhao Rushi, was a Chinese government official and writer during the Song dynasty. He wrote a two-volume book titled Zhu Fan Zhi. The book deals with the world known to the Chinese in the twelfth and thirteenth centuries; the first volume is a list of foreign places with descriptions of each place and the customs of its local people. The second volume is a catalog of trade goods.