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.Guidebook of Palo Duro Canyon by West Texas State University. Geological SocietyAuthor: West Texas State University. Geological Society,Language: English, Class: QE: Science: Geology, Release Date: Nov 19, 2015