Arthur's Mystery Envelope
| Publisher | Little, Brown Books For Young Readers |
| Series | Arthur Chapter Books |
| Format | Paperback |
| Language | English |
| Pages / Font | 64 pages |
| ISBN | 0316115479 |
| Series Number | 1 |
Added by MissBabyGirl
| Publisher | Little, Brown Books For Young Readers |
| Series | Arthur Chapter Books |
| Format | Paperback |
| Language | English |
| Pages / Font | 64 pages |
| ISBN | 0316115479 |
| Series Number | 1 |