The author's purpose in this excerpt is to Read the excerpt from It's Our World, Too!: Young, People Who Are Making a Difference. prompt an emotion in the reader. O convey details about the characters. encourage the reader to do something. Neto decided to ask Andy Percifield for help. Percifield was the student council president, a tall, red-haired senior who always read the morning announcements over the P.A. system. Neto didn't know him, but people who did said Percifield was smart and fair. Maybe he would know what to do. express an opinion about a topic. Neto was waiting by Andy's locker the next morning. "He had tears in his eyes," Andy remembers. "He said that adult fans were swearing at the Mexican players and that it wasn't fair. He was really hurting. He said, 'ls there any way you can help?' I told him I'd try.