Book Haven is a small but charming used bookstore located in the Huangpu district of Guangzhou. The store has a great selection of books, including many rare and out-of-print titles. The staff is friendly and knowledgeable, and they are happy to help you find what you're looking for. The prices are reasonable, and they often have sales and discounts. It's a great place to find a hidden gem or a book you've been searching for.