After a mountainside massacre yields a grim message, Painter Crowe, director of Sigma Force, must join with Commander Grayson Pierce and an unlikely ally if he is going to get to the root of a conspiracy that stretches back to a lost prehistoric colony in America.

When a mysterious letter written in code arrives at King's house for his human, Kayla, he follows the trail of the person who left it.

Commander Gray Pierce and Sigma Force set out to uncover the 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 former National Security Agency programmer threatens to release a mathematical formula that will allow organized crime and terrorism to skyrocket.

"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,...

SHINE's solar enegry station is under threat from evil agency SHADOW. Special Agent EJ12 needs to lighten up. She must crack SHADOW's codes and overcome her fears to stop them before they turn the lights out on the SHINE network. That's the easy part. As EJ12, Emma Jacks can do anything. So why is she worried about going to her best friend's slumber party?

Amy and Dan Cahill have been located once again, this time in the company of the notoriously unreliable Alistair Oh. Could they have been foolish enough to make an alliance? Spies report that Amy and Dan seem to be tracking the life of one of the most powerful fighters the world has ever known. If this fearsome warrior was a Cahill, his secrets are sure to be well-guarded, and the price to uncover them just might be lethal.

The first book in the #1 bestselling phenomenon sends readers around the world on the hunt for the 39 Clues! Minutes before she died Grace Cahill changed her will, leaving her descendants an impossible decision: "You have a choice - one million dollars or a clue." Grace is the last matriarch of the Cahills, the world's most powerful family. Everyone from Napoleon to Houdini is related to the Cahills, yet the source of the family power is lost. 39...

"The 16th novel by #1 bestselling author Louise Penny finds Chief Inspector Armand Gamache of the S�uret�e 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...

A timely, nonstop action-adventure about the War on Terror--and a family torn apart. When seventeen-year-old Iranian American Kamran Smith learns that his brother has been labeled a terrorist, he knows something isn't right. In a race against time, it is up to Kamran to prove his brother's innocence, even as the country has turned against him and his family. With the help of a ragtag team of underground intelligence professionals, Kamran must piece...