Secret and Urgent - The Story of Codes and Ciphers

Secret and Urgent - The Story of Codes and Ciphers Many of the earliest books, particularly those dating back to the 1900s and before, are now extremely scarce and increasingly expensive. We are republishing these classic works in affordable, high quality, modern editions, using the original text and artwork. Autor: Anon Wydawnictwo: Read Books Rok wydania: 2012 Okładka: miękka Liczba stron: 282 Wymiary: 13.9 x 21.6 x 1.9 cm Ilustracje: black & white illustrations Język: angielski ISBN: 9781447456100