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.Island Trail at Walnut Canyon by Southwestern Monuments AssociationAuthor: ,Language: English, Class: F786: United States local history: New Southwest. Colorado River, Canyon, and Valley, Release Date: Jun 30, 2019