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.Great Cities of the United States by Kramer and SouthworthAuthor: Southworth, Gertrude Van Duyn, 1874-,Language: English, Class: E151: History: America: United States, Release Date: Feb 9, 2014