Title: Mark McGwire Rompe Records / Record Breakers (Power Players/Deportistas de Poder)
Subjects: Juvenile literature, Baseball players, Biography, Jugadores de beisból, Biografía, Literatura juvenil, Jugadores de beisbol, Baseball, Baseball players, juvenile literature, Baseball, biography, Mcgwire, mark, 1963-, Mcgwire, mark, 1963-, juvenile literature