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.Memoirs of Leonora Christina, Daughter of Christian IV. of Denmark by UlfeldtAuthor: Ulfeldt, Leonora Christina, grevinde, 1621-1698,Language: English, Class: DL: History: General and Eastern Hemisphere: Northern Europe, Scandinavia, Release Date: Nov 24, 2011