num_pages: 704
description: Spies, secret societies, religious cults as well as anyone who has used an ATM or the internet rely on the making and breaking of codes for security.
language: English
title: Codes, Ciphers and Other Cryptic and Clandestine Communication: 400 Ways to Send Secret Messages from Hieroglyphs to the Internet
titlecomplete: Codes, Ciphers and Other Cryptic and Clandestine Communication: 400 Ways to Send Secret Messages from Hieroglyphs to the Internet
genres: Nonfiction, Reference, Mathematics, History
ratings_count: 51
publisher: Black Dog & Leventhal