“Words are powerful,” Grandma told Justice. “They can be used in powerful ways to do good or to do harm. That’s why it’s important to always be careful with your words.” Justice has grown up witnessing the many ways her grandma serves the community. She wants to make a difference in the world, too, but how? Isn’t she too young? Through conversations with her grandma and their shared love of books, Justice learns about important women and men throughout history who changed the world.