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.Answer to Dr. Priestley's Letters to a Philosophical Unbeliever by William Hammon et al.Author: Turner, Matthew, -1788?,Language: English, Class: BL: Philosophy, Psychology, Religion: Religion: General, Miscellaneous and Atheism, Release Date: Nov 22, 2004