Donate a Copy of America's History to SchoolsThank you for your interest in our work! Our Tuttle Twins education program is a philanthropic endeavor of Libertas Institute, a 501(c)3 non profit. Libertas Institute is the publisher of these books, and our donors help us spread these books widely into schools, libraries, and homes throughout the country. Your tax deductible support helps us accelerate the publication of more educational material, market them aggressively to educate more children,