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.A Text-Book of Precious Stones for Jewelers and the Gem-Loving Public by WadeAuthor: Wade, Frank Bertram, 1875-1950,Language: English, Class: TS: Technology: Manufactures, Release Date: Feb 12, 2009