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.Disease in Plants by H. Marshall WardAuthor: Ward, H. Marshall (Harry Marshall), 1854-1906,Language: English, Class: SB: Agriculture: Plant culture, Release Date: Feb 29, 2012