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.Naufragios de Alvar Nú?ez Cabeza de Vaca by Nú?ez Cabeza de VacaAuthor: Nú?ez Cabeza de Vaca, Alvar, active 16th century,Language: Spanish, Class: E011: History: America: America, Release Date: Feb 1, 2004