Secret Codes
| ISBN | 9781405852228 |
| Yayınevi | Pearson Yayıncılık |
| Yazarlar | Ken Beatty (author) |
| Kitap Tanıtımı | For thousands of years people have used codes and ciphers to keep secrets from people who will do anything to learn them. How did secret messages cause a queen to lose her head? How have lost languages finally been understood? ;How did one little know language help a country win a war? read this book and find out. |
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