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.Descripcion del rio Paraguay, desde la boca del Xauru hasta la confluencia delAuthor: Quiroga, José, 1707?-1784,Language: Spanish, Class: F2801: Latin America local history: Argentina, Release Date: Mar 20, 2007