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.Comparative Ecology of Pinyon Mice and Deer Mice in Mesa Verde National Park,Author: Douglas, Charles L.,Language: English, Class: QH: Science: Natural history, Release Date: Feb 22, 2012