Nancy is delighted that the new boy in her class is from Paris and sets out to become his friend, then discovers that this Parisian is not quite as fancy as she had thought.

Nancy is determined to make the cover of her very first book report as fancy as she can, but she spends so much time on it that she has no time to write about the book.

Nancy is about to lose her first tooth, but if she can prevent it from falling out until she arrives at school she will get a special necklace from the nurse.

As her third-grade class makes its selections for the "Graveyard of Boring Words" and learns about "superb synonyms," slow-footed Nancy enthusiastically plays on the soccer team, with the goal of just being mediocre, or maybe even a little better than average.

To cheer up her classmates after a gloomy week, Nancy thinks of a new celebration, Fancy Day, but when the day arrives Ms. Glass shows up without her fancy dress, and the class must think of a way to make her as elegant as everyone else.

When Nancy Clancy finds out that both her guitar teacher, Andy, and her favorite babysitter, Annie, have broken up with the people they were dating, she decides to make them fall in love on Valentine's Day.

When Nancy, the girl who loves to use fancy words, learns about Earth Day and "being green," her enthusiasm causes problems at home.