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 Mania of the Nations on the Planet Mars and its Terrific ConsequencesAuthor: Calisch, James Howard, 1863-1926,Language: English, Class: D501: History: General and Eastern Hemisphere: World War I (1914-1918), Release Date: Jan 27, 2018