James K. Polk grew up to become the 11th President of the United States of America. We have books and books about him as a grownup. But not much is available about his younger years. When he was ten, his family moved in covered wagons from North Carolina to Tennessee - over 450 miles. They crossed dangerous mountains and struggled through rough land. When they arrived in middle Tennessee, they had to build a house on land full of trees and cane...