Ms. Frizzle's class has to create a project for the school science fair. But they need the perfect idea! When Keesha brings an ant to the classroom, the kids decide to make a movie about ants. They'll make Keesha's ant a star! But Keesha's ant disappears, and the kids have no choice but to follow ... all the way into an anthill. And surprise! The anthill is crawling with activity! Come along on a zany field trip and learn how ants work together, just like Ms. Frizzle's class.--[Résumé de l'éditeur].