Symbologist Robert Langdon, summoned to Washington, D.C. by his mentor, finds himself plunged into a clandestine world of Masonic secrets, hidden history, and secret locations--all of which seem to be dragging him toward a single, inconceivable truth.

A computer whiz takes on the government in defense of the right to privacy. On hearing the National Security Agency has secretly installed a program that can read anyone's e-mail, Ensei Tankado comes up with a program to paralyze it. A conflict ensues and people die.

"Salem Wiley is a genius cryptanalyst, courted by the world's top security agencies ever since making a breakthrough discovery in her field of quantum computing. She's also an agoraphobe, shackled to a narrow routine by her fear of public places. When her mother's disappearance is linked to a plot to assassinate the country's first viable female presidential candidate, Salem finds herself both target and detective in a modern-day witch hunt. Drawn...

"1940. As England prepares to fight the Nazis, three very different women answer the call to mysterious country estate Bletchley Park, where the best minds in Britain train to break German military codes. Vivacious debutante Osla is the girl who has everything -- beauty, wealth, and the dashing Prince Philip of Greece sending her roses -- but she burns to prove herself as more than a society girl and puts her fluent German to use as a translator of...

In 1916, at the height of World War I, brilliant Shakespeare expert Elizebeth Smith went to work for an eccentric tycoon on his estate outside Chicago. The tycoon had close ties to the U.S. government, and he soon asked Elizebeth to apply her language skills to an exciting new venture: code-breaking. There she met the man who would become her husband, groundbreaking cryptologist William Friedman. Though she and Friedman are in many ways the "Adam...

"In this picture book biography, young readers will learn all about Elizebeth Friedman (1892-1980), a brilliant American code breaker who smashed Nazi spy rings, took down gangsters, and created the CIA's first cryptology unit. Her story came to light when her secret papers were finally declassified in 2015. From thwarting notorious rumrunners with only paper and pencil to 'counter-spying into the minds and activities of' Nazis, Elizebeth held a pivotal...

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.

When respected American religious symbology expert Dr. Robert Langdon is summoned to the Louvre by French Captain Bezu Fache, he soon discovered that he is the number 1 suspect for the murder of a historian Langdon had been scheduled to meet with. Assisted by a French cryptographer and government agent named Sophie, Langdon is challenged to decipher a chain of cryptic codes and puzzles, all the while trying to stay ahead of Fache's lawmen in a chase...