As a child, Martin Luther King, Jr. was shocked by the terrible and unfair way African American people were treated. When he grew up, he decided to do something about it—peacefully, with powerful words. He helped gather people together for nonviolent protests and marches, and he always spoke up about loving other human beings and doing what’s right. He spoke about the dream of a kinder future, and bravely led the way toward racial equality in America.

What makes a hero? This lively, fun biography series by best-selling author Brad Meltzer answers the question, one great role model at a time.

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