A to Z Mysteries: The Empty Envelope by Ron Roy
| ISBN: | 9780679890546 |
| Publication date: | 16th June 1998 |
| Author: | Ron Roy |
| Illustrator: | John Steven Gurney |
| Publisher: | Random House USA Children's Books an imprint of Random House USA Inc |
| Format: | Paperback |
| Pagination: | 96 pages |
| Series: | A to Z Mysteries |