cryptography

An overview of cryptology that explains what it is, how it is used, and what role it plays in helping law enforcement agencies solve and fight crime.

Text and photographic essays tell of espionage in World War II: the spies, spy networks, codes, electronic eavesdropping, weapons and hoaxes used by both sides.

Amy and Dan, members of the powerful Cahill family, try to uncover the thirty-nine clues which will reveal the secrets of their lineage and find out what really happened to their parents.

Contains a collection of activities and games associated with being a spy including conducting surveillance, writing in code, and creating disguises.

Presents instructions for speaking thirteen secret languages, including Pig Latin, one of the best known and easiest codes to learn, and Boontling, developed by people in a California town.

Discusses the difference between codes and ciphers, examines common codes and ciphers that have been used during wars, and explains how to create simple ciphers.

Describes twenty different codes and ciphers, tells how to break them, and gives simple instruction for making encoding tools.

Describes how the American military in World War II used a group of Navajo Indians to create an indecipherable code based on their native language.

Introduces children to the different ways codes and ciphers have been used throughout history and includes simple puzzles for readers to solve.

Former Justice Department operative Cotton Mather foils an attempt to assassinate President Danny Daniels in Manhattan, and finds himself at odds with the Commonwealth, a secret society of pirates dating back to the American Revolution that wields unstoppable power thanks to a clause written into the U.S. Constitution.