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.De waarheid over Esperanto en Ido = La vérité sur l'Esperanto et l'Ido by WitteryckAuthor: Witteryck, Antoon Jozef, 1865-1934,Language: Dutch, Class: PM: Language and Literatures: Indigenous American and Artificial Languages, Release Date: Nov 14, 2012