Ally Carter

A group of teenagers uses their combined talents to re-steal several priceless paintings and save fifteen-year-old Kat Bishop's father, himself an international art thief, from a vengeful collector.

Waking up in Paris with no memory of who she is, a young woman discovers that she is the identical twin of a rogue spy and, to stay alive, must team up with a very grouchy, very sexy, very secret agent to unravel a deadly conspiracy and clear her sister's name.

Six years ago Maddie lived in Washington D.C. with her father, a Secret Service agent assigned to the President's family, and her best friend was Logan, the President's son; but after her father was wounded in an attempted kidnapping the two of them moved to a remote cabin in Alaska and Logan never replied to her letters-- but now he has suddenly turned up on her doorstep, and, while she has no attention of forgiving him for his silence, she soon...

Five orphans. Two sword-wielding vigilantes. One mansion. No rules. April thought she had her happy ending. After all, she has her new house and new friends and new guardian. But she also has a very big new secret. The kids of Winterborne House are the only ones who know that Gabriel Winterborne-famous billionaire and terrible cook-is really a sword-wielding vigilante. What they don't know is that he's not the only one. When a masked figure breaks...

When Cammie Morgan arrives at her friend Macey's five-star hotel for the Democratic National Convention, where Macey's father is about to receive the vice presidential nomination, she thinks she's in for an exciting end to her summer break. But if you're a Gallagher Girl, 'exciting' and 'deadly' are never far apart.

When seventeen-year-old Cammie wakes up in a convent high in the Alps, she slowly comes to realize that she's been tortured, the last four months have been erased from her mind, and an ancient terrorist organization is hunting for her.

As a sophomore at a secret spy school and the daughter of a former CIA operative, Cammie is sheltered from "normal teenage life" until she meets a local boy while on a class surveillance mission.

When Cammie Morgan visits her Gallagher Academy roommate Macey in Boston during summer break, the two girls soon find themselves trapped in a kidnapper's dangerous plot, with only their espionage skills to save them.

"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"--