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 Letters of Horace Walpole, Earl of Orford ? Volume 4 by Horace WalpoleAuthor: Walpole, Horace, 1717-1797,Language: English, Class: DA: History: General and Eastern Hemisphere: Great Britain, Ireland, Central Europe, Release Date: Jan 1, 2004