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.Index of the Project Gutenberg Works of Walter Richard Cassels by CasselsAuthor: Cassels, Walter Richard, 1826-1907,Language: English, Class: BL: Philosophy, Psychology, Religion: Religion: General, Miscellaneous and Atheism, Release Date: May 21, 2019