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.Outlines of the Earth's History: A Popular Study in Physiography by ShalerAuthor: Shaler, Nathaniel Southgate, 1841-1906,Language: English, Class: GB: Geography, Anthropology, Recreation: Physical geography, Release Date: Jun 12, 2006