Sport Harriet The Spy Series, Book 3.

Eleven-year-old Sport Rocque is living a happy life, keeping his father?s absentmindedness under control, and managing the family budget. When Kate, Sport?s new?and nice?stepmother enters the picture, things couldn?t be better. Then comes the news: Sport?s wealthy grandfather has just died and Sport is a multimillionaire. But millions of dollars equals millions of problems, as Sport soon discovers when his mother returns and kidnaps him to doubl...