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.Ruth's Marriage in Mars: A Scientific Novel by Mrs. Charles Wilder GlassAuthor: Glass, Charles Wilder, Mrs., 1874-,Language: English, Class: PS: Language and Literatures: American and Canadian literature, Release Date: Jan 8, 2018