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.Ohio Arbor Day 1913: Arbor and Bird Day Manual by Mrs. Grace R. CliftonAuthor: ,Language: English, Class: SD: Agriculture: Forestry, Release Date: Oct 13, 2007