|This article is about the book. You may be looking for the episode, the VHS, or the DVD.|
|Arthur's Pet Business|
|Publication date||October 1, 1990|
|Published by||Little, Brown and Company|
| Preceded by|
Arthur's Birthday (1989)
| Followed by|
Arthur Meets the President (1991)
- Arthur's dog Pal is introduced along with the other two puppies that Mrs. Wood's dog Perky gave birth to in the end. Although Arthur adopted Pal, Pal was not seen again or given a name until in Arthur's New Puppy that was published three years later.
- Kate was seen standing, although this book was supposed to be a flashback event and Kate wasn't supposed to stand up until the events of Arthur's third grade year.