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 Collected Works in Verse and Prose of William Butler Yeats, Vol. 4 (of 8)Author: Yeats, W. B. (William Butler), 1865-1939,Language: English, Class: PR: Language and Literatures: English literature, Release Date: Aug 5, 2015