ciphers

"... Team Mystic discovers a mysterious code--and it just might be the key to catching 'em all"--Provided by publisher.

The members of the Code Busters Club take a class trip to Angel Island, the Ellis Island of the West, where they discover a mysterious box with a connection to one of the Code Busters.

Examines the history of cryptography, from encryption in Ancient Greece to the role it plays in our modern daily lives. Includes a glossary, resources for further information, and color photographs.

After twelve-year-old Addison Cooke's uncle unearths ancient Incan secrets in Peru, he is kidnapped by a shadowy organization intent on stealing the treasure unless Addison and his friends can decipher the clues first.

Looks at eight codes and ciphers throughout history that could not be solved.

Jax and Ethan must decode an ancient Greek cipher to uncover the location of two magical urns before the urns are used to remove all faith and love from the world.

When a rare coin and a strange code are uncovered in McKenna School, Malcolm and the other classroom pets of the Midnight Academy take on their most challenging assignment yet and, through their investigations, they just might save the school from closing.

"Elusive art thief Lars Heinrich returns to New York City looking to settle a score. Super sleuth seventh-grader Edmund Xavier Lonrrot will need not only his photographic mind and artistic talents, but any skill he possesses with cracking codes as a string of the city's historical monuments become potential clues in what could become one of the greatest heists in history"--Provided by publisher.

Twelve-year-olds Ambrose, Tom, and Frankie are transported to the boys' hometown of Freedom Falls, Ohio, in 1852 when Frankie blows her Romani family's magical trombone, and to return home they will have to use both Morse code and the ancient form of divination known as the I-Ching.