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.Physiology and Hygiene for Secondary Schools by Francis M. WaltersAuthor: Walters, Francis M. (Francis Marion), 1862-,Language: English, Class: QP: Science: Physiology, Release Date: Nov 15, 2005