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.Tom Swift Among the Diamond Makers; Or, The Secret of Phantom Mountain by AppletonAuthor: Appleton, Victor,Language: English, Class: PZ: Language and Literatures: Juvenile belles lettres, Release Date: Apr 1, 1998