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.Simple Sabotage Field Manual by United States. Office of Strategic ServicesAuthor: United States. Office of Strategic Services,Language: English, Class: UH: Military science: Other services, Release Date: Aug 4, 2008