cryptographers

When Earth is destroyed by an alien race, Jack Potter and a small group of survivors attempt to begin new lives while keeping the aliens from discovering their existence.

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.

Cryptographer Susan Fletcher finds herself fighting for her country, her life, and the life of the man she loves when she is called in by the National Security Agency to decipher a mysterious code and discovers a plot that has the power to cripple U.S. intelligence.

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.

Braverman Shaw learns that his father, Dexter, led a secret life as a high-ranking member of a sect charged with preserving an ancient cache of documents that could change the face of Christianity, and Braverman believes his father's death is related to his involvement with the group and vows to find the truth.

Harvard professor of symbology Robert Langdon finds himself on the run in Florence and in possession of a series of codes, created by a brilliant scientist obsessed with Dante's classic poem "The Inferno," that may unlock a terrifying secret that could devastate life on earth.

After Ruby's house is ransacked, she receives odd phone calls and a too-good-to-be-true "household manager" arrives. These events must be related, but how? Includes solutions to puzzles.