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 Unknown Quantity: A Book of Romance and Some Half-Told Tales by Henry Van DykeAuthor: Van Dyke, Henry, 1852-1933,Language: English, Class: PS: Language and Literatures: American and Canadian literature, Release Date: Dec 7, 2009