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 Preparation of Illustrations for Reports of the United States GeologicalAuthor: Ridgway, John L., 1859-1947,Language: English, Class: QE: Science: Geology, Release Date: Jul 16, 2013