Change-up: Mystery at the World Series -used, YA

When teen sports reporters Stevie and Susan Carol are sent to cover the World Series, the talk of the tournament is Norbert Doyle—a late call-up for an underdog team. But the more they learn about him, the more conflicting stories they hear. Bit by bit they piece together the shocking truth about this rising star, but once the secret’s out, there’s no going back. . . .