Hoban, Lillian

Although Arthur loses the Super Chimp Club contest, his pupil, sister Violet, wins the first grade reading competition and a prize for them both.

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

Arthur decides to sell his old toys but is reluctant to part with his old bear.

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.

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.

Arthur the chimpanzee is determined to be the best all-around gymnast at his gymnastics birthday party.

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.

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