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 Letter of Petrus Peregrinus on the Magnet, A.D. 1269 by PierreAuthor: Pierre, de Maricourt, active 13th century,Language: English, Class: QC: Science: Physics, Release Date: Nov 21, 2015