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 Seventh Day Sabbath, a Perpetual Sign by Joseph BatesAuthor: Bates, Joseph, 1792-1872,Language: English, Class: BV: Philosophy, Psychology, Religion: Christianity: Practical theology, Worship, Release Date: Nov 15, 2008