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.Respiration Calorimeters for Studying the Respiratory Exchange and EnergyAuthor: Carpenter, Thorne M. (Thorne Martin), 1878-,Language: English, Class: QP: Science: Physiology, Release Date: Feb 28, 2009