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 People's Common Sense Medical Adviser in Plain English by Ray Vaughn PierceAuthor: Pierce, Ray Vaughn, 1840-1914,Language: English, Class: RC: Medicine: Internal medicine, Release Date: May 28, 2006