Lillian Hoban

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

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

Mr. Bunny reminds her that the day is special, but while trying to recall why, Silly Tilly, the forgetful mole, gets distracted by the snow.

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.

Forgetful Silly Tilly Mole nearly succeeds in ruining her Thanksgiving dinner, but her animal friends come to the rescue with tasty treats.

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.

Although Joe's pet dinosaur Betsy is too big for some activities, a formidable task allows her to demonstrate that sometimes bigger is better.

When Mr. Pig marries Selma Pig, there are many adventures in store for the new family.

Harry's contribution to the rabbits' winter provisions in unusual but not unappreciated.