The O'Reilly Online Learning database (owned by ProQuest) covers a wide variety of topics in information technology and business. It includes 50,000+ e-books from O'Reilly Media and 200 other publishers as well as audiobooks, videos, courses, and a knowledgebase (O'Reilly Answers) for technical questions.
More details and tutorials about this database are found in the Using E-Books: O'Reilly guide.
