What is a hero? Well, it's not people who are famous for being famous. Bestselling author Brad Meltzer created a series of children's books because he wanted to provide inspiring role models for his children. On this edition of Conversations, Meltzer joins us to talk about his Ordinary People Change the World series, which is designed for 4-8 year olds. The latest book in the series is I Am Harriet Tubman.