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.Earths In Our Solar System Which Are Called Planets, and Earths In The StarryAuthor: Swedenborg, Emanuel, 1688-1772,Language: English, Class: BX: Philosophy, Psychology, Religion: Christianity: Churches, Church movements, Release Date: Jun 12, 2005