ciphers

Math has always been key to warfare. From making sure an army has enough supplies to recording casualties and damage, discover how math and calculations lie at the heart of warfare.

The stories of some of the individuals who have shaped cryptography are engagingly told in this narrative.

Readers can anticipate an intriguing overview of the ciphers, codes, algorithms, and keys used in real-life situations to keep peoples' information safe and secure.

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

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.

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.

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.