It is highly recommended to go to Deyi Bookstore, at the east exit of Changfeng Street. It may be far away, but you can buy genuine discount books, which are very complete. They wholesale there. At least 20% off. It's full price to go abroad, and they give a 10% discount when they die. That's all because they are kind. There are many cars going there. There are railway stations and gymnasiums. Books are so expensive now, especially teaching AIDS. I hope you get the right book.