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.An Easy Introduction to Spanish Conversation by Mariano Velázquez de la CadenaAuthor: Velázquez de la Cadena, Mariano, 1778-1860,Language: English, Class: PC: Language and Literatures: Romance languages: Italian, French, Spanish, Portuguese, Release Date: Apr 9, 2019