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.Rules to be observed by masters and pilots of vessels, arriving at the port ofAuthor: Philadelphia. Board of health,Language: English, Class: RA: Medicine: Public aspects of medicine, Release Date: Jul 2, 2016