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 Christiana Riot and the Treason Trials of 1851: An Historical Sketch by HenselAuthor: Hensel, W. U. (William Uhler), 1851-1915,Language: English, Class: F106: United States local history: Atlantic coast. Middle Atlantic States, Release Date: Apr 22, 2018