One month ago, academic whiz Russell Evans never thought he'd be a basketball superstar. But now he's playing on the seventh-grade team alongside his fraternal twin, Owen, and they're tearing up the court. The Pioneers are on a winning streak, and Russ and Owen are getting along better than ever. Until the Matthews twins (Mitch and Marcus) show up. These twins are a triple threat: practically basketball pros, academic geniuses, and . . . identical...