Arthur's mother tells him to have a garage sale to get rid of all the junk in his room. But, when his friends offer him really cool trades for his stuff rather than money, he ends up with a whole new set of junk.

"Arthur's mom wants him to clean his room and get rid of all his junk, but things don't go as planned" -- Back cover.

When Arthur's mother tells him to get rid of the junk in his room, his sister D.W. convinces him to have a garage sale. But things don't work out exactly as Arthur plans. Full color. Copyright © Libri GmbH. All rights reserved.

His sister D.W. convinces Arthur to have a garage sale after his mother tells him to get rid of the junk in his room, but things do not work out exactly as he had planned.

Arthur helps out by cleaning around the house before he goes out to play.

WHEN ARTHUR AND D.W. travel to New York City with their parents, they visit the Statue of Liberty, a museum, and they even see a Broadway show! But D.W. is most excited about visiting Mary Moo-Cow Palace with her Mary Moo-Cow doll. When D.W. doesn’t follow her parents’ rule and goes off by herself, the family must find her. Luckily, Arthur knows just where to find D.W.—Mary Moo-Cow Palace, of course!