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.The Principles of Language-Study by Harold E. PalmerAuthor: Palmer, Harold E., 1877-1949,Language: English, Class: P: Language and Literatures, Release Date: Sep 25, 2014