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.Natural History of the Bell Vireo, Vireo bellii Audubon by Jon C. BarlowAuthor: Barlow, Jon C.,Language: English, Class: QH: Science: Natural history, Release Date: Jun 17, 2010