Commander Gray Pierce and Sigma Force set out to discover a truth tied to the fall of the Roman Empire, to a mystery going back to the birth of Christianity, and to a weapon hidden for centuries that holds the fate of humanity.

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.

"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,...

"The 16th novel by #1 bestselling author Louise Penny finds Chief Inspector Armand Gamache of the Sûreté du Quebec investigating a sinister plot in the City of Light On their first night in Paris, the Gamaches gather as a family for a bistro dinner with Armand's godfather, the billionaire Stephen Horowitz. Walking home together after the meal, they watch in horror as Stephen is knocked down and critically injured in what Gamache knows is no accident,...

Effective Engineering Solutions has been inexplicably shut down and the head of the company, Eli Glinn, has all but vanished. Fresh off a diagnosis that gives him only months to live, Gideon Crew is contacted by one of his coworkers at EES, Manuel Garza, who tells him the two have mere hours to collect their belongings before the office closes forever. After years of dedicated service and several high-risk missions, theirs seems like the most ignoble...

After delivering the last ransom, Amy and Dan discover that Vesper One has a terrifying plot and they race against time to stop him from harming millions of innocent people.

Summoned to her family's Colorado hideaway for her mother's birthday, Alexandra Solarin not only discovers that her mother is missing but that the most powerful piece of the mystical chess service that had once belonged to Charlemagne has resurfaced.

"Trust no one. Justine Byrne can't trust the people working beside her. She can't trust the women who live down the hall. She can't even trust the man in front of her, and she just might love him. Inside the walls of Arlington Hall, a former women's college in Virginia that has been taken over by the United States Army, hundreds of men and women sit, bent over stacks of paper. Pencils in hand, they labor to decode countless pieces of communication...

When the ancient ruins of Atlantis are discovered along the Spanish coast, linguist and archaeologist Thomas Lourds joins a violent competition to be the first of its explorers, an effort marked by a series of puzzles that must be solved in order to gainentry into the lost civilization.

Amy and Dan are shocked to learn that Outcast, a violent renegade who is threatening the lives of innocent people, may be a Cahill family member who is determined to exact revenge.