Title: Mark McGwire, home run king
Description: Presents a biography of the St. Louis Cardinal slugger who broke Roger Maris' single-season home run record in 1998.
Subjects: Baseball players, Juvenile literature, Biography, Baseball players, juvenile literature, Baseball, biography, Mcgwire, mark, 1963-, Mcgwire, mark, 1963-, juvenile literature
Places: United States
People: Mark McGwire (1963-)