Lillian Hoban

After they have a falling out, Arthur and his best friend Norman make up with very special valentines.

Arthur views his little sister in a different light after receiving a revealing letter from his pen pal.

When Violet has a numbers problem and Arthur is penniless, they go into business and solve both problems.

Bored with spring vacation, Arthur decides to go alone on an overnight field trip in the woods behind his house.

Silly Tilly Mole is so forgetful and silly on Easter morning that she cannot find her bonnet and fails to let the Easter Bunny into the house.

While hurrying to get on the school bus, Arthur and his friend unknowingly switch their lunch boxes; later Arthur finds out what surpise his sister had put into hers.

Arthur the chimpanzee, after worrying that his Halloween costume won't be scary enough, wins a prize for the most original costume in the school.

Arthur finds a way to enjoy his Christmas cookies even after he discovers they can't be eaten.

Raccoon twins Arabella and Albert track down the robbers who stole Mrs. Turtle's eggs.