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 Sixth Sense: Its Cultivation and Use by Charles Henry BrentAuthor: Brent, Charles Henry, 1862-1929,Language: English, Class: BD: Philosophy, Psychology, Religion: Speculative Philosophy, General Philosophical works, Release Date: Mar 18, 2019