Some may not be able to give you the answer because either they dont have the book anymore, dont have it at all or arent in the same school as you so you need to post questions my fren.
Answer:
The author uses third-person point of view to tell the overall story, but she uses second-person point of view for a moment to speak to the readers and tell them that they will learn about the Children's March through participants' stories. The people who were there get to tell their stories and express their viewpoints and opinions about the events.
Explanation: