‘An hilarious account of Arthur’s attempts to earn enough money to buy a T-shirt and cap, assisted by his sister Violet. Simple business concepts are ingeniously woven into the story. This marvelous book will capture the interest of eager learners and creative teachers.’ —YC. Children's Choices for 1982 (IRA/CBC) Children's Books of 1981 (Library of Congress)

A hilarious account of Arthur's attempts to earn enough money to buy a T-shirt and cap, assisted by his sister Violet.

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

Arthur and his sister Violet are selling all their old toys in a Tag Sale. Even Arthur's Honey Bear! But Arthur finds there's more than one way to say good-bye to an old friend.

Arthur, afraid of pulling his loose tooth, and his little sister, Violet, learn something about being brave in the seventh adventure about two favorite chimps.

Arthur decides to make Mother and Father special Christmas cookies as a present. But when the cookies are finally finished, they are hard as rocks! Can Arthur think of a way to turn this disaster into the best Christmas present ever?