Lillian Hoban

FROM THE PUBLISHER: 
Violet's camping out too, but her friends don't want Arthur around. So Arthur decidesto collect slimy things he knows Violet wouldn't like. But he doesn't count on slippery rocks and swooping bats, or hunger pangs.

Also available on audio (Audible I Libro.FM).

FROM THE PUBLISHER: 

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?

FROM THE PUBLISHER: 

Arthur thinks his pen pal is more fun than his little sister. Little sisters don't do things like karate and wrestling -- or do they? It takes a surprise letter to show Arthur that sometimes there's more to sisters -- and pen pals -- than meets the eye!

FROM THE PUBLISHER: 

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.