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.Reconocimiento del fuerte del Carmen del Rio Negro by Ambrosio CramerAuthor: Cramer, Ambrosio,Language: Spanish, Class: F2801: Latin America local history: Argentina, Release Date: Aug 23, 2006