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 Door of Heaven: A Manual for Holy Communion by Arthur Edward BurgettAuthor: Burgett, Arthur Edward, 1869-1942,Language: English, Class: BV: Philosophy, Psychology, Religion: Christianity: Practical theology, Worship, Release Date: Jul 30, 2010