Fiona and Frieda love fairy tales. Every day at recess, they act out their favorite stories. Then on the fifty-seventh day of third grade, something amazing happens. Magic sparkles fill the air and the girls discover they have magic rhyming powers. All of a sudden, Cinderella's sitting at the bottom of the curly blue slide and she's crying harder than a kindergartener on the first day of school. Can Fiona and Frieda help Cinderella find her fairy godmother before her mean stepsisters discover her? Will they help Cinderella meet the prince or will they ruin the fairy tale forever?