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.Classical Enigmas, Adapted to Every Month in the Year by Mrs. RitsonAuthor: Ritson, Mrs. (Anne),Language: English, Class: PZ: Language and Literatures: Juvenile belles lettres, Release Date: Dec 3, 2013