ACM Digital LibraryFull text articles on computing and information technology from ACM journals, magazines, proceedings, and newsletters. Coverage: 1985 to current. A new addition to the ACM Digital Library is the availability of ACM E-Books, a collection of texts spanning computer science including graduate level textbooks, research monographs providing an overview of established and emerging fields, professional books for the practitioner, and titles focusing on the history of computing. All e-books are available in PDF and downloadable ePub formats.