A theme in a novel is a big idea that pops in and out in the story line. In the book Wonder, a big theme is fitting in. we all want to fit in at times, but there is one kid who wants it more than anyone: August Pullman.
Auggie starts school tomorrow, he has been tossing and turning trying to fall asleep. He didn't even use his favorite Star Wars blanket! He is worried about him not fitting in. No matter how many people tell him that he is going to be fine and won't get teased and he doesn't have to fit in, he denies all of it.
Auggie loves Halloween more than anyone because he gets a chance to fit in.