Ken Beatty: Penguin Active Reading 4: Secret Codes (+ CD-ROM)
Скачать книгу (размер 565 Kb , формат fb2) Аннотация: 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.