Arthur worries about remembering his magic tricks for the April Fool's Day assembly and Binky's threats to pulverize him.

When his father takes him to visit the Louisiana bayou, Buster sends postcards to his friends back home telling them about the Cajun language, learning to catch crabs, and keeping watch for a swamp monster.

When Arthur's third-grade class goes hunting for fossils at Rainbow Rock State Park, his friend Buster actually finds one, and instead of turning it in Buster decides to take it home--but he soon regrets his decision.

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.

When his father takes him to visit a national park about dinosaurs, Buster sends postcards to his friends back home telling them what he is learning.

When D.W. has trouble falling asleep, the family listens to her worries.

Describes in rhyme the many things a pickle isn't.

It looks like trouble when the principal asks Arthur to take home a large envelope marked "confidential"

Explains, in rhymed text and illustrations, what tails are and aren't, what they can and can't do, and where they do and don't grow.