Tag along as Semi Sam, from Texas, and his dogs, Mack and Molly, proudly traverse the country, highlighting what makes our nation great. With joyful, colorful illustrations, this picture book for young readers explores every corner of America and honors the men and women who keep food on our tables and the goods on store shelves. From Abilene to Milwaukee and Seattle to Florida, the patriotic trio do what truckers do and help make possible the American way of life.