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.My German Prisons by Horace Gray GillilandAuthor: Gilliland, Horace Gray,Language: English, Class: D501: History: General and Eastern Hemisphere: World War I (1914-1918), Release Date: Jul 30, 2018