Nory, Bax, and their friends are in a special class at Dunwiddle Magic School, a class for children whose magic is unpredictable--and while Nory is finding an outlet for her dritten-self (a combination of a kitten and dragon), in the kittenball team, Bax is worried because all he can do is turn into a rock, and nobody knows why.

"The Princess in Black is ready for her snowy playdate with the Goat Avenger and the Princess in Blankets. It's a perfect day to build snow monsters and battle them for practice. But just when they're about to wage battle, a huge foot smashes their snow monster. "SQUASHY!" It's a giant, and it's smashing everything in its path! The giant is too strong for the three friends, so the Princess in Blankets has an idea: it's time to light the Sparkle Signal...

On the first day of school, a young boy expects only the worst when he discovers that his new teacher is the "monstrous" Mrs. Green.