Ebook Central (ProQuest) This link opens in a new windowSKYCTC's ebooks from ProQuest. Includes 56,000+ ebooks from leading publishers including unique titles from Wiley, 130 university presses, and more. Collections cover subjects such as: biology, business management, computer science/IT, education, engineering & manufacturing, history, literature, nursing and other health-related fields, physical sciences, psychology, religious studies and sociology.