Gary B. Shelly wrote and published his first computer education textbook in 1969. More than twenty million copies of Shelly Cashman Series’ textbooks have been sold. Gary and a talented group of contributing authors have produced books on computer programming, computer concepts, and application software that are the leading textbooks in the computer technology market today. Gary has hosted the annual Shelly Cashman Institute, a week-long training event focusing on the latest topics in technology, for the past 34 years.
Harry J. Rosenblatt is a professor of information systems at College of the Albemarle in Elizabeth City, North Carolina, where he has taught for over 16 years. His background is in management and computer systems consulting. He has co-authored the last six editions of Systems Analysis and Design for the Shelly Cashman Series(R).