George Washington brought them over from England by the trunkload. At the time of his death, he had over nine hundred, a considerable number back then or even today. To develop his intellectual depth, Benjamin Franklin relied on them extensively to supplement his two years of formal education, which stopped at age ten. George Patton carried them onto the battlefield. General Dwight Eisenhower stressed their importance. USMC General Jim Mattis, our current Secretary of Defense, had a personal collection of 7,000 of them. Yes, we are talking about books.