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 Great Mississippi Flood of 1874: Its Extent, Duration, and Effects by WiltzAuthor: Wiltz, Louis Alfred, 1843-1881,Language: English, Class: F350.5: United States local history: Mississippi River and Valley. Middle West, Release Date: Apr 5, 2010