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 Lettsomian Lectures on Diseases and Disorders of the Heart and Arteries inAuthor: Bruce, J. Mitchell (John Mitchell), 1846-1929,Language: English, Class: RC: Medicine: Internal medicine, Release Date: Sep 21, 2013