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.Over Periscope Pond by Marjorie Crocker and Esther Sayles RootAuthor: Root, Esther Sayles,Language: English, Class: D501: History: General and Eastern Hemisphere: World War I (1914-1918), Release Date: May 29, 2014