Xinhua Bookstore in Shimen County. Shimen, which belongs to Changde City, Hunan Province, is the northernmost land in western Hunan. Xinhua Bookstore in Shimen County is the largest and most comprehensive bookstore in Shimen County. You can buy math books at Xinhua Bookstore in Shimen County. Shimen is located at the junction of Hunan and Hubei, looking at Dongting Lake in the east, Taohuayuan in the south, Zhangjiajie in the west and the Three Gorges of the Yangtze River in the north. Known as the "gateway to Wuling" and "Xiaoxiang Arctic".