Lend books. Huai 'an Library makes a profit by renting books. Books in the library can be rented out, and the rental fee and membership card fee can be charged. Huaian is located in the north-central part of Jiangsu Province, east of Jianghuai Plain. Located in the Yangtze River Delta, it is an important central city in northern Jiangsu, a close-knit city in Nanjing metropolitan area and the first city in the Huaihe River eco-economic belt.