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.Letters to Helen: Impressions of an Artist on the Western Front by Keith HendersonAuthor: Henderson, Keith, 1883-1982,Language: English, Class: D501: History: General and Eastern Hemisphere: World War I (1914-1918), Release Date: Aug 31, 2005