Twin brothers Rock and Brock had adopted very different lifestyle habits, with Rock favoring a healthy and disciplined approach, while Brock preferred junk food and less structure. However, when it came to money, Rock could not resist spending every dime that came his way on new toys and gizmos, while Brock had an uncanny ability to save. Both brothers learned an important lesson when their grandpa gave them a dollar and said that for the next ten weeks, he would double the total that each brother was able to save. While Rock squandered his money, Brock's money grew to a crateful of cash.
With its bright, humorous illustrations, this important book adds some fun to the business of saving money. The straightforward story line teaches younger children how money can grow through a savings plan, while the notes in the back offer more sophisticated explanations of banking and compound interest. The author, one of the most influential women in the world of finance, successfully translates some economic fundamentals into a story that children will appreciate and enjoy.