When tomboy Marty is cast as the princess in the third-grade play, she learns about improvisation, which helps her become more adaptable.

With help from her Grandma Barb, Marty builds a habitat for worms in her school cafeteria as part of the Save the Earth Project.

Marty McGuire would rather spend recess catching frogs in the pond than playing dress-up with the other girls in third grade. So when her teacher casts Marty as the princess in the class play, Marty's absolutely, positively sure that there's been a huge mistake. But after a special lesson in the art of improvisation, Marty comes up with her OWN plan to IMPROVE the play: Why use stuffed-animal frog onstage when a live one would be so much better?

Fergus and Zeke love being the class pets in Miss Maxwell's room, and they do everything the students do. So when Miss Maxwell informs the class that Presidents' Day is approaching and they'll all be creating projects about the presidents, Fergus and Zeke get to work, too. Zeke tramsforms into George Mousington and nominates himself president of their cage. But when Zeke seems more interested in being in charge than in working on their project, Fergus...