In the heart of Italy, Harvard professor of symbology Robert Langdon is drawn into a harrowing world centered on one of history's most enduring and mysterious literary masterpieces . . . Dante's Inferno. Against this backdrop, Langdon battles a chilling adversary and grapples with an ingenious riddle that pulls him into a landscape of classic art, secret passageways, and futuristic science. Drawing from Dante's dark epic poem, Langdon races to find...

"Jacobite exile Mary Dundas is filled with longing--for freedom, for adventure, for the family she lost. When fate opens the door, Mary dares to set her foot on a path far more surprising and dangerous than she ever could have dreamed. As Mary's gripping tale of rebellion and betrayal is revealed to [amateur codebreaker Sara Thomas, she] faces events in her own life that require letting go of everything she thought she knew--about herself, about loyalty,...

Traces the life of Elizebeth Smith, who met and married groundbreaking cryptologist William Friedman and worked with him to discover and expose Nazi spy rings in South America by cracking multiple versions of the Enigma machine.

Spy and code-breaker extraordinaire Maggie Hope returns to war-weary London, where she is thrust into the dangerous hunt for a monster, as the" New York Times" bestselling mystery series for fans of Jacqueline Winspear, Charles Todd, and Anne Perry continues. England, 1942. The Nazis relentless Blitz may have paused, but London s nightly blackouts continue. Now, under the cover of darkness, a madman is brutally killing and mutilating young women in...

World War II is raging, and former spy Maggie Hope knows too much. She knows what the British government is willing to do to keep its secrets. She knows the real location of the planned invasion of France. She knows who's lying. She knows who the double-crossers are. She knows exactly who is sending agents to their deaths. These are the reasons Maggie is isolated on a remote Scottish island, in a prison known as Killoch Castle, out of contact with...

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.

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...

"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...

During the Great War, Margot spends her days deciphering intercepted messages, until a sudden loss turns her world upside down. Drake returns wounded from the field, followed by a destructive enemy. Immediately smitten with Margot, Drake convince attempts to convince her that sometimes life's answers lie in the heart.

Braverman Shaw-"Bravo" to his friends-always knew his father had secrets. But not until Dexter Shaw dies does Bravo discover that his father belonged to the Order of Gnostic Observatines, a hidden sect long believed to be extinct. For centuries, the Order has guarded a lost Testament that could shake Christianity to its foundations. Dexter Shaw was the latest Keeper of the Testament-and Bravo is his chosen successor. To find the Testament, Bravo,...