Julesburg Public Library

Based on Dan Brown's international bestselling thriller "The Lost Symbol," the series follows the early adventures of young Ivy League symbologist Robert Langdon, who must solve a series of deadly puzzles to save his kidnapped mentor and thwart a chilling global conspiracy.

A World War II cryptographer chronicles his career in the Special Operations Executive, discussing his replacement of outmoded codes with one-time silk-printed codes.

Zivon Marin was one of Russia's top cryptographers until the October Revolution tore apart his world. Forced to flee to England after speaking out against Lenin, Zivon is driven by a growing anger and determined to offer his services to the Brits. But never far from his mind is his brother, whom Zivon fears died in the train crash that separated them. Lily Blackwell sees the world best through the lens of a camera and possesses unsurpassed skill when...

Investigating the murder of a Louvre curator, Harvard symbologist Robert Langdon and French cryptologist Sophie Neveu find clues painted into a Da Vinci work, inadvertently uncovering a plot involving the Holy Grail and the secret society known as the Priory of Sion.

"Joanna and the Watsons receive an unexpected visitor to 221b Baker Street during a nocturnal storm. A rain-drenched Dr. Alexander Verner arrives with a most harrowing tale. Verner has just returned from an unsettling trip to see a patient who he believes is being held against his will. Joanna quickly realizes that Verner's patient is a high-ranking Englishman who the Germans have taken captive to pry vital information about England's military strategies...

The astonishing, untold story of the young American women who cracked key Axis codes, helping to secure Allied victory and revolutionizing the field of cryptanalysis. Recruited by the U.S. Army and Navy from small towns and elite colleges, more than ten thousand women served as codebreakers during World War II. While their brothers and boyfriends took up arms, these women moved to Washington and learned the meticulous work of code-breaking. Their...

While in Paris on business, Harvard symbologist Robert Langdon receives an urgent late-night phone call: the elderly curator of the Louvre has been murdered inside the museum. Near the body, police have found a baffling cipher. While working to solve the enigmatic riddle, Langdon is stunned to discover it leads to a trail of clues hidden in the works of Da Vinci--clues visible for all to see--yet ingeniously disguised by the painter. Langdon joins...

Biography of Elizebeth Smith Friedman, an American woman who pioneered codebreaking in WWI and WWII but was only recently recognized for her extraordinary contributions to the field.