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.An Elementary Study of Chemistry by William Edwards Henderson and William McPhersonAuthor: McPherson, William, 1864-1951,Language: English, Class: QD: Science: Chemistry, Release Date: Mar 18, 2007