Arthur's wrong guess about the identity of the secret admirer sending him valentine messages leads to teasing by the other children, but clues in additional messages allow him to get his due.

When Arthur hears his sister singing a catchy tune, he wonders if he could call that jingle his own and enter it in the Crunch Cereal Contest.

Arthur is overwhelmed with dread when he hears that his teacher is coming to stay at his house. But soon, Arthur discovers that Mr. Ratburn is just like everyone else. Arthur thinks his problems are over, but when he gets an A on his test his friends start calling him a teacher's pet. In the end, Arthur and Mr. Ratburn set the record straight.

When a parent group bans a series of scary books from the local public library, Arthur and his friends devise a plan to get their favorite books returned.

His friends tease Arthur when he gets glasses, but he soon learns to wear them with pride.

Arthur is not looking forward to Camp Meadowcroak, and when mysterious things start happening there, he decides to run away.

After finally getting her first library card, Arthur's little sister, D.W., tries to check out her favorite book with humorous results.

Arthur worries that he won't be able to play little league baseball as well as all his friends and faces lots of teasing until someone discovers teamwork.