Ebrary offers an increasing selection of more than 20,000 e-books in business, economics, computers, engineering, and technology.
Oxford Scholarship Online offers quality content you can trust, with instant and comprehensive coverage of over 12,000 titles in 20 subject areas, covering the humanities, social sciences, sciences, medicine, and law.
Questia Digital Library: Questia is the online library that provides 24/7 access to the world's largest online collection of over 67,000 books and 155,000 journal articles in the Physics, Chemistry,Humanities and Social Sciences.
Free Online Books: Listing more than 35,000 English works in various formats.
While searching database for your required books by author, title or subject, use keywords i.e., Biology, Physics etc.
While searching the database for your required books by author, title or subject.