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.Mammals Obtained by Dr. Curt von Wedel from the Barrier Beach of Tamaulipas,Author: Hall, E. Raymond (Eugene Raymond), 1902-1986,Language: English, Class: QH: Science: Natural history, Release Date: Jun 15, 2009