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.The Valuation of Public Service Corporation Property by Henry Earle RiggsAuthor: Riggs, Henry Earle, 1865-,Language: English, Class: TA: Technology: Engineering and Civil engineering, Release Date: Feb 24, 2016