Ken Griffey Jr., son of former pro player Ken Griffey Sr., has baseball in his blood. From his early years hanging out at Yankee Stadium with his father through his high school days as a baseball star, Ken Jr. was destined to bring greatness to whatever team he played for. And as a member of the Seattle Mariners since 1989, he has fulfilled his destiny by helping to shape his team into division champs. But what fans love best is that through it all, Ken Griffey Jr. has worn his famous smile — the smile that says “I love baseball!”

In this exciting biography, Matt Christopher, the number-one sports writer for children, goes to the plate for an inside look at the charismatic superstar of the Seattle Mariners.