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 Pilgrim's Progress from this world to that which is to come by John BunyanAuthor: Bunyan, John, 1628-1688,Language: English, Class: PR: Language and Literatures: English literature, Release Date: May 1, 1994