About “The Number File”
A number file becomes the key when the Hardys investigate crimes involving coded messages and conspiracy. They decode the numbers to expose the criminal network.
Book details
- First published
- 1988
- Latest edition
- 1989 · ISBN 9780671688066
- Pages
- 150
Frequently asked questions
How many pages is The Number File?
The Number File by Franklin W. Dixon has 150 pages.