Jamie Grimm is a middle schooler on a mission: he wants to become the world's greatest standup comedian, even if he doesn't have a lot to laugh about these days. He's new in town and stuck living with his aunt, uncle, and their evil son Stevie, a bully who doesn't let Jamie's wheelchair stop him from giving Jamie a good pounding every once in awhile.

Here's Middle School for young readers through the eyes of Rafe Khatchadorian's misbehaving mutt, Junior! When rule-breaking Rafe has to train his new dog in obedience school, things are about to get really ruff!