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 Story of a Piece of Coal: What It Is, Whence It Comes, and Whither It GoesAuthor: Martin, Edward A. (Edward Alfred), 1864-1943,Language: English, Class: TN: Technology: Mining engineering, Metallurgy, Release Date: Jun 28, 2004