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.Battle of the Crater; and Experiences of Prison Life by Sumner U. ShearmanAuthor: Shearman, Sumner U. (Sumner Upham), 1839-1914,Language: English, Class: E456: History: America: Civil War period (1861-1865), Release Date: Dec 25, 2014