This is the largest shadow library in the world, with over millions of e-books available for free download. It is open to users from all over the world. It includes e-books and articles, and the coolest thing is that it provides books in traditional Chinese. In addition to the EPUB format, files can also be converted to TXT, PDF, and other formats. Free accounts can download up to 10 e-books and 30 articles per day. It has the characteristics of anonymous upload and decentralization, so it is called "shadow library". It advocates the popularization of knowledge, but it also causes controversy. If the link is invalid, please use the latest link in the Wikipedia annotation.