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.Checking the Waste: A Study in Conservation by Mary Huston GregoryAuthor: Gregory, Mary Huston,Language: English, Class: HC: Social sciences: Economic history and conditions, Special topics, Release Date: Feb 24, 2007