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 Army of the Cumberland by Henry Martyn CistAuthor: Cist, Henry Martyn, 1839-1902,Language: English, Class: E456: History: America: Civil War period (1861-1865), Release Date: Jan 1, 2003