Qi Sheng
Appearance
Qi Cheng (齐乘) is a famous Chinese geography book written by Yu Qin(于钦, 1284 A.D - 1333 A.D) while he was an official in Jinan, Shandong Province. The book was started in the year 1268 A.D and published in 1351 A.D. Qi Cheng is oldest existing geography book about Shandong Province.