This is material that young people will find filling a great gap in their background for thinking. For here are the things most informed adults take for granted- and only too often fail to pass along to youth. There are items of American history, its institutions, its great men, its monuments, its symbols. The spirit of freedom is here, through historic buildings, through great men. He shows how motoring today makes possible getting at the heart of the country and its people. The material was selected from pieces done over the years for The Reader's Digest, at the request of his son, a young officer in far-off Cambodia, who needed to have something concrete in words to help him convey the spirit of America to other peoples.