Chris has never been to New York City. When she goes to visit her dad there, she arrives on the city's worst day: September 11, 2001. In a matter of hours, her entire world changes as she witnesses the terror and the horror of the attacks on New York City. It's a day that she and the rest of the United States will never forget. Designed for Striving Readers. Features include author/illustrator biography, educational front/back matter, and table of contents.