Learnabout... Codes and Ciphers
| Publisher | Ladybird Books Ltd |
| About/Subject | Cryptography |
| Publisher Series | Learnabout |
| Format | Hardback |
| Language | English |
| Location | Leicestershire, England |
| Copyright | 1983-01-23 |
| Pages / Font | 52 pages |
| ISBN 10 | 0721407935 |
| ISBN 13 | 978-0721407937 |
Added by CryptCorp · Last edited by Anaideia