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 Caves of Fear: A Rick Brant Science-Adventure Story by Harold L. GoodwinAuthor: Goodwin, Harold L. (Harold Leland), 1914-1990,Language: English, Class: PZ: Language and Literatures: Juvenile belles lettres, Release Date: May 6, 2010