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 Book of the National Parks by Robert Sterling YardAuthor: Yard, Robert Sterling, 1861-1945,Language: English, Class: E151: History: America: United States, Release Date: Dec 12, 2008