It tells the fascinating story of Elizebeth Smith Friedman, the groundbreaking cryptanalyst whose painstaking work decoding thousands of messages for the U.S. government would send infamous gangsters to prison and bring down a massive, near-invisible Nazi spy ring in WWII. A suburban wife and mother who led a secret double life, her remarkable contributions to the science of cryptology would only come to light decades after her death when classified...

"Jack Miller stumbles through the Civil War, winding up a telegrapher and cryptographer for the army. In the field with General Sherman in Georgia, he is captured along with his precious cipher key. His captor, Hamilton Buckley, thinks he should have been president of the Confederacy, not Jefferson Davis. Jack doubts Buckley's sanity and longs to escape. Buckley's kindhearted niece, Marilla, might help him -- but only if Jack helps her achieve her...

Assisting Detective Inspector Jack Robinson in the investigation of an unpopular orchestral conductor's murder, Miss Fisher becomes suspicious of a charismatic code-breaker who has captured John Wilson's affections.

When Robert Langdon wakes up in an Italian hospital with amnesia, he teams up with Sienna Brooks, a doctor he hopes will help him recover his memories. Together, they race across Europe and against the clock to stop a madman from unleashing a global virus that would wipe out half of the world's population.

A battle-weary Marine is assigned to guard - and ultimately befriends - a young Navajo soldier who has been trained to be a code talker. This code, the Navajo code, and the men who knew the code, were to be guarded as they went into action. It was the unspoken duty of the Marine to kill the Navajo soldier before he could be taken prisoner of war by the Japanese. This is the one wartime code that was never broken by the enemy.

FBI cryptographer Eloise Marshall is grieving the death of her brother, who died during the attack on Pearl Harbor, when she is assigned to investigate a seemingly innocent letter about dolls. Agent Phillip Clayton is ready to enlist and head overseas when asked to work one more FBI job. A case of coded defense coordinates related to dolls should be easy, but not so when the Japanese Consulate gets involved, hearts get entangled, and Phillip goes...

Angels & demons: Expert symbologist Robert Langdon is summoned to Rome when four Cardinals are abducted by the church's nemesis, The Illuminati. Joining forces with beautiful professor of physics and biology Vittoria Vetra, Langdon pursues obscure and ancient clues through secret passages, cathedrals, crypts and the most secret vault in history to succesfully prevent The Illuminati blowing up Vatican City. The DaVinci code: When respected American...