This is a multidisciplinary collection that includes 200,000 e-books covering a large selection of academic subjects and features e-books from leading publishers and university presses. All e-books are available with unlimited user access and new titles are added regularly.
The OAPEN Library is a collection of freely accessible academic books, mainly in the area of humanities and social sciences. It includes over 400 titles available through the University Libraries' participation in the Knowledge Unlatched program. http://www.knowledgeunlatched.org/