Sold in military clubs along the road in Hunan, the price is 7.5-8.5 fold of the original price. However, most books have some defects, not most of them should be genuine, but they are damaged during transportation, and there are not many kinds.

Many bookstores along Changjiang Road in Xinjiekou have such teaching AIDS, including Xinhua Bookstore in Xinjiekou. The books in this kind of bookstore are more formal, but the prices are not favorable.