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!
| ISBN: | 9780064440325 |
| Publication date: | 7th April 1982 |
| Author: | Lillian Hoban |
| Illustrator: | Lillian Hoban |
| Publisher: | HarperCollins |
| Format: | Paperback |
| Pagination: | 64 pages |
| Series: | I Can Read Level 2 |