num_pages: 96
description: Discusses the various types of codes and ciphers used throughout history, including Egyptian hieroglyphics, the Navajo code talkers from WWII, genetic code, and computer generated codes.
language: English
title: Secret Worlds: Codebreakers
titlecomplete: Secret Worlds: Codebreakers (Secret Worlds)
genres: History, Language
ratings_count: 14
publisher: Dk Pub