Book Off is a popular Japanese chain of used bookstores with a branch in Beijing. It offers a diverse range of used books, including Japanese literature, manga, art books, and more. The store follows a buy-and-sell model, allowing customers to trade in their old books for store credit. Book Off's inventory is constantly changing, ensuring that there is always something new to discover. Whether you're a fan of Japanese culture or simply looking for a unique selection of used books, Book Off is worth a visit.