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 Rivers of Great Britain, Descriptive, Historical, Pictorial: Rivers of theAuthor: Various,Language: English, Class: DA: History: General and Eastern Hemisphere: Great Britain, Ireland, Central Europe, Release Date: Dec 20, 2014