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 Wonder Island Boys: The Mysteries of the Caverns by Roger Thompson FinlayAuthor: Finlay, Roger Thompson, 1860-,Language: English, Class: PZ: Language and Literatures: Juvenile belles lettres, Release Date: Feb 17, 2007