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.Vocal Expression: A Class-book of Voice Training and Interpretation by EvertsAuthor: Everts, Katherine Jewell,Language: English, Class: MT: Music: Musical instruction and study, Composition, Release Date: Mar 30, 2010