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.Los cuatro jinetes del apocalipsis by Vicente Blasco Ibá?ezAuthor: Blasco Ibá?ez, Vicente, 1867-1928,Language: Spanish, Class: PQ: Language and Literatures: Romance literatures: French, Italian, Spanish, Portuguese, Release Date: Feb 6, 2008