Learn the story of code breaking from ancient times to the present age of quantum science. Find out about the most complicated codes ever devised and the brilliant people who cracked them.

Describes how cryptography is used to encrypt information and the various organizations that use it.

"Discusses different methods for breaking secret codes"--Provided by publisher.

Examines history's most dangerous secrets and ciphers, and shows young spies how to use them for themselves.

Explains how spies through the ages have sent messages in secret.

Explore the fascinating and rich world of Secret Key cryptography! This book provides practical methods for encrypting messages, an interesting and entertaining historical perspective, and an incredible collection of ciphers and codes—including 30 unbreakable methods.

Intrigue your friends with birthday prophecies, spin a mystifying wheel of fortune, travel through the Valley of Fear, and take on Dad's Challenge! This collection presents scores of intriguing brainteasers from the fascinating world of codes and ciphers. Assembled by a master puzzle-maker, these activities are inspired by sources as diverse as the Sherlock Holmes stories and the procedures of the U.S. Navy. Code-breakers ages 8 and up can go on cryptic...

"Cracking Codes and Cryptograms For Dummies shows you how to think like a symbologist to uncover mysteries and history by solving cryptograms and cracking codes that relate to Freemasonry, the Knights Templar, the Illuminati, and other secret societies and conspiracy theories"--Resource description page.