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 Viking Age. Volume 1 (of 2) by Paul B. Du ChailluAuthor: Du Chaillu, Paul B. (Paul Belloni), 1835-1903,Language: English, Class: DL: History: General and Eastern Hemisphere: Northern Europe, Scandinavia, Release Date: Dec 13, 2017