Secret Messages: A Collection of Puzzles Using Codes and Ciphers
| Publisher | Tarquin Publications |
| Designed by | Susan Apling |
| About/Subject | Cryptography |
| Format | Paperback |
| Language | English |
| Location | Norfolk, England |
| Copyright | 1990 |
| Pages / Font | 50 pages |
| ISBN 10 | 0906212782 |
| ISBN 13 | 978-0906212783 |
Added by CryptCorp · Last edited by Anaideia