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.Trees Every Child Should Know: Easy Tree Studies for All Seasons of the YearAuthor: Rogers, Julia Ellen, 1866-,Language: English, Class: QK: Science: Botany, Release Date: Nov 15, 2013