These titles offer crystal-clear coverage of the ingenious ways that people have connected to one another over time. From Native American smoke signals to sonar and sign language, each book offers a solid sense of history and technology.
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What Are Ciphers and Codes? |
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4 | (2) |
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6 | (2) |
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Cryptology in the American Revolutionary War |
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8 | (2) |
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Cryptology in the American Civil War |
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10 | (2) |
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Quilt Codes and Spirituals Show the Way to Freedom |
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12 | (2) |
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14 | (2) |
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16 | (2) |
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18 | (2) |
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20 | (2) |
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22 | (2) |
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24 | (2) |
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26 | (2) |
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28 | (2) |
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30 | (2) |
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32 | (2) |
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34 | (2) |
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36 | (2) |
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38 | (2) |
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Break the Cipher! Some Helpful Hints |
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40 | (2) |
| Appendix A: International Marine Signal Flags |
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42 | (2) |
| Appendix B: Navajo Code Talkers' Dictionary |
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44 | (1) |
| Glossary |
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45 | (2) |
| More Books to Read |
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47 | (1) |
| Index |
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48 | |