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.
Jennifer Campbell is a professional writer, editor, personal historian. She is the owner/operator of Heritage Memoirs, based in Ontario Canada, and has worked for clients across North America. She was previously a journalist and broadcaster for the Canadian Broadcasting Corporation.