"Cammie Morgan and her friends finally know why the terrorist organization called the Circle of Cavan has been hunting her. Now the spy girls and Zach must track down the Circle's elite members to stop them before they implement a master plan that will change Cammie--and her country--forever"--

It is 1908, and the international tensions are mounting as the world plunges toward war. When a brilliant American battleship gun designer dies in an apparent suicide, the man's grief-stricken daughter turns to the Van Dorn Detective Agency to clear her father's name. Van Dorn puts his chief investigator on the case, and Isaac Bell soon realizes that the clues point to murder. When more suspicious deaths follow, it becomes clear that someone is orchestrating...

After being sold to a cruel couple in New York City, a slave named Isabel spies for the rebels during the Revolutionary War.

After getting expelled from spy school for accidentally shooting a live mortar into the principal's office, thirteen-year-old Ben finds himself recruited by evil crime organization SPYDER.

Joining the elite Bletchley Park codebreaking team during World War II, three women from very different walks of life uncover a spy's dangerous agenda years later against the backdrop of the royal wedding of Elizabeth and Philip. "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...

Hiding out in Switzerland to avoid criminal charges in America, Charlie and Drummond Clark experiment with treatments to retrieve Drummond's memory before confronting a formidable CIA case officer to save kidnapped NSA operative Alice Rutherford.

Rebel surfer-turned-field ops specialist Sydney finds herself in hot water while undercover on a marine research vessel, while her City Spies teammates investigate a suspected mole.

A top secret FBI file is missing. Code-named "Prodigy," the file was the genius of J. Edgar Hoover, who created it to use against his potential enemies. Free Fall is a nonstope adventure that moves from the mountaintops of Wyoming to the jungles of Thailand. If Mark Beamon blows this one, his career is over and his prison term begins.

"On a cold January morning, the United States awakes to discover than an old enemy, one long believed dead and buried, has crawled out of its grave to lay siege to the world's only superpower." "With the stunning discovery that enhanced Soviet-made suitcase nukes have been secreted in America's major cities, President Jack Rutledge gathers his National Security Council to weigh the feasibility of a first strike against the Russian Federation. There's...

"From New York Times bestselling authors Catherine Coulter and J.T. Ellison comes a riveting thriller pitting special agents Nicholas Drummond and Michaela Caine against the head of a private space agency who has the power to end the world as we know it. It's Bastille Day in France, and the private French space agency Galactus--France's answer to Space X, owned by the eccentric treasure hunter Jean-Pierre Broussard--has just sent a satellite payload...