Zlibrary is a digital library project, which provides free access to a large number of books, articles and other published contents. The platform was launched in 2009, promoting itself as "the largest e-book library in the world". At present, the website has more than 4 million digital books, including public texts and copyright works. These different Zlibrary books and articles can be downloaded in various popular e-book formats, including PDF and EPUB. The books provided include fictional and non-fictional publications, and the inclusion of books and articles helps to make them more and more popular resources for students and other people involved in academics. Users can search Zlibrary's books and articles through the search bar on the homepage. This provides the option of searching by book title, author name, ISBN or MD5, which makes it very easy to find the e-book you are looking for.