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 Motor Boys on Thunder Mountain; Or, The Treasure Chest of Blue Rock by YoungAuthor: Young, Clarence,Language: English, Class: PZ: Language and Literatures: Juvenile belles lettres, Release Date: Apr 24, 2019