Project Gutenberg was the first provider of free electronic books, or eBooks. Michael Hart, founder of Project Gutenberg, invented eBooks in 1971 and his memory continues to inspire the creation of eBooks and related technologies today.The 1990 CIA World Factbook by United States. Central Intelligence AgencyAuthor: United States. Central Intelligence Agency,Language: English, Class: G: Geography, Anthropology, Recreation, Release Date: Apr 1, 1991