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.Popular Official Guide to the New York Zoological Park (September 1915) by HornadayAuthor: Hornaday, William T. (William Temple), 1854-1937,Language: English, Class: QL: Science: Zoology, Release Date: Sep 24, 2016