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.America's Munitions 1917-1918 by Benedict Crowell and United States. War DepartmentAuthor: United States. War Department,Language: English, Class: D501: History: General and Eastern Hemisphere: World War I (1914-1918), Release Date: Mar 7, 2015