An edition of How to Write Codes and Send Secret Messages
(1970)
How to write codes and send secret messages
by John Lawrence Peterson
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Explains how to write and decipher space codes, hidden word codes, and alphabet codes and gives formulas for invisible ink. Includes suggestions for delivering coded messages.
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Previews available in: English
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Ciphers, Juvenile literature, Children: Babies Toddlers| Edition | Availability |
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How to Write Codes and Send Secret Messages
September 1973, Scholastic Paperbacks
Paperback
in English
0590026062 9780590026062
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| April 9, 2020 | Edited by Mek | adding Children: Babies Toddlers to subjects |
| February 13, 2020 | Edited by MARC Bot | remove fake subjects |
| June 29, 2019 | Edited by MARC Bot | import existing book |
| October 14, 2011 | Edited by EdwardBot | remove duplicate authors |
| December 9, 2009 | Created by WorkBot | add works page |