Code games /
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| Main Author: | |
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| Format: | Book |
| Language: | English |
| Published: |
New York : London :
Sterling ; Distributed by Ward Lock,
1971.
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| Subjects: |
| Item Description: | Communication. Codes and ciphers. Juvenile literature (BNB/PRECIS) With answers. |
|---|---|
| Physical Description: | 112 p. : ill. ; 21cm. |
| Bibliography: | Includes index. |
| ISBN: | 070612328X : 0806945184 0806945192 |