When the teachers of Ella Mentry School go on strike, A. J. and the gang meet a new principal who does not believe in rules and says that the students do not have to learn anything if they do not want to.

While trying to spare Erica's feelings so she could go to Brittany's birthday party, Allie disobeys one of her own rules and lies.

Kyle's older brother gives him rules for his bus ride but after breaking them all, Kyle discovers a rule his brother forgot.

Ian always follows the rules and his sister, Jenny, never does but when she angers some monsters while breaking all the rules of their vacation house in the woods, Ian first runs away, then realizes there should be a rule about protecting your sister from being eaten by monsters.

Young Percy Isaac Gifford provides a list of ten rules for getting the most out of Thanksgiving Day, especially how best to enjoy the buffet.

Second-grader Hailey's frustration over a school project releases Maybelle, a sprite whose punishment for being a rulemonger will end when she grants Hailey's wish to have fun, but Maybelle's efforts only seem to cause trouble.

"Unicorn and Mule want to start a cool blues group, but Unicorn decides she gets to make all the rules"--

Tired of rules, a young boy decides to be a wild and free bear but soon runs into obstacles.

The only rule in Larry's book is that the reader not push the button, but when no one is looking, it may be irresistible.