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.Letters of David Ricardo to Thomas Robert Malthus, 1810-1823 by David RicardoAuthor: Ricardo, David, 1772-1823,Language: English, Class: HB: Social sciences: Economic theory, Demography, Release Date: Jun 7, 2011