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.Mental diseases: a public health problem by James Vance MayAuthor: May, James Vance, 1873-1947,Language: English, Class: RC: Medicine: Internal medicine, Release Date: Apr 26, 2017