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.Mexican Copper Tools: The Use of Copper by the Mexicans Before the Conquest; andAuthor: Valentini, Philipp J. J. (Philipp Johann Josef), 1828-1899,Language: English, Class: F1201: North America local history: Mexico, Release Date: Sep 24, 2018