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.History of the United States by Charles A. Beard and Mary Ritter BeardAuthor: Beard, Mary Ritter, 1876-1958,Language: English, Class: E151: History: America: United States, Release Date: Oct 28, 2005