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For the general public, the field of cryptography has recently become famous as the method used to uncover secrets in Dan Brown's, "The Da Vinci Code." But the science of cryptography has been popular for centuries--secret hieroglyphics discovered in Egypt suggest that code-making dates back almost 4,000 years. In today's society, Cryptographers such as Bruce Schneier provide security systems for computers and networks. Students will be mesmerized as the secrets of this thrilling career are revealed.