2007
First Published
4.00
Average Rating
80
Number of Pages
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-known language help a country win a war? Read this book and find out.
Avg Rating
4.00
Number of Ratings
36
5 STARS
50%
4 STARS
17%
3 STARS
19%
2 STARS
11%
1 STARS
3%
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