cryptography

Two Navajo brothers use their native language that they've been forbidden to speak to help in winning World War II.

Benjamin Franklin Gates, obsessed with finding the mythical Knights Templar Treasure, finds himself having to steal the Declaration of Independence, which holds the key to the mystery of the treasure's whereabouts, in order to keep it out of another's dangerous hands.

A history of codes and cryptography, discussing ciphers from Julius Caesar to quantum cryptography and profiling cryptology and decryption experts. Includes code breaking exercises.

Tells the stories of ninety-five situations in which code and hidden messages have been used throughout history.

Randy and Amy, the grandchildren of men who once served on a mission to break the Nazi's fabled Enigma code, join together to create a haven in Southeast Asia where encrypted data can be stored and exchanged free of repression and scrutiny, but their scheme runs into trouble when they unearth a conspiracy that has its roots in WWII.

Woven throughout the text are clear technological and mathematical explanations, and portrayals of the remarkable personalities who wrote and broke the world's most difficult codes.

Orphans Amy and Dan Cahill, continuing their worldwide quest to track down the thirty-nine clues that will reveal the secret of the Cahill family's power, follow a link to one of the planet's strongest fighters, and have a run-in with the unreliable Alistair.

Treasure hunter Benjamin Franklin Gates (Cage) looks to discover the truth behind the assassination of Abraham Lincoln, by uncovering the mystery within the 18 pages missing from assassin John Wilkes Booth's diary.

Amy and Dan Cahill continue to hunt for clues while reeling from the knowledge of what happened the night their parents died, and they wonder if the end is near as they try to learn the secret behind Grace Cahill's alternate will.

Amy and Dan are separated while trying to retrieve a clue which is guarded by thousands of soldiers and worry they cannot succeed apart.