His sister D.W. convinces Arthur to have a garage sale after his mother tells him to get rid of the junk in his room, but things do not work out exactly as he had planned.

After hearing about the exciting summer vacations of his classmates, Arthur decides to write an embellished version of his own summer experiences.

Every night, Monkey has trouble falling asleep and every day he is sleepy at school, until his big brother comes up with a great idea.

Arthur isn't sure he is happy about the new baby in the family, but when his sister asks for his help in handling the baby, Arthur feels much better.

Arthur is not sure he is happy about the new baby in the family, but when his sister asks for his help in handling the baby, Arthur feels much better.

Buster and his father visit South Dakota and send postcards home describing their visit to the Crazy Horse monument, their experience with buffalo, and more.

Arthur's tooth: Arthur, tired of being the only one in his class who still has all his baby teeth, waits impatiently for his loose tooth to fall out. Arthur's birthday: Arthur's friends must decide which party to attend when Francine schedules her birthday party for the same day as Arthur's birthday party. Arthur's pet business: Arthur's determination to prove he is responsible enough to have a puppy brings him a menagerie of animals to care for. Arthur's...

Arthur disobeys his mother by playing his favorite game on her computer, which leads to a lesson in taking responsibility for one's actions.

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.

Arthur's experience babysitting for the terrible Tibble Twins is as challenging as he expected, but he finally gets control by telling them a spooky story.