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.Systematic Status of a South American Frog, Allophryne ruthveni Gaige by Freeman et al.Author: Lynch, John D.,Language: English, Class: QH: Science: Natural history, Release Date: Feb 16, 2010