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 Saddle Boys in the Grand Canyon; or, The Hermit of the Cave by CarsonAuthor: Carson, James, Captain,Language: English, Class: PZ: Language and Literatures: Juvenile belles lettres, Release Date: Jun 15, 2007