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 Works of Mark Twain: An Index of all Project Gutenberg Editions by Mark TwainAuthor: Twain, Mark, 1835-1910,Language: English, Class: PS: Language and Literatures: American and Canadian literature, Release Date: May 14, 2009