Secret codes /
Presents several easy codes with messages to decode and directions for making and writing with invisible ink and devising one's own code.
| Main Author: | |
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| Other Authors: | |
| Format: | Book |
| Language: | English |
| Published: |
New York :
F. Watts,
1980.
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| Series: | Easy-read activity book.
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| Subjects: |
Evans: Curriculum Collection (4th floor)
| Call Number: |
Z103.3 .F55 |
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|---|---|---|
| Call Number | Status | Get It |
| Z103.3 .F55 | Available | |