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.Mammals of the San Gabriel Mountains of California by Terry A. VaughanAuthor: Vaughan, Terry A.,Language: English, Class: QH: Science: Natural history, Release Date: Jan 5, 2011