Ally Carter

When a terrifying encounter in London reveals that one of her most-trusted allies is actually a rogue double-agent, Cammie Morgan no longer knows if she can trust her classmates, her teachers--or even her own heart.

Cammie Morgan is a CIA legacy and attends the premier school in the world ... for spies. The school hosts some mysterious guests with the code name Blackthorne. When Cammie is blamed for a security breach that threatens to expose the school's top secret status, she and her friends face danger to clear Cammie's name and learn the truth about Blackthorne.

Fifteen-year-old Kat Bishop and her fellow talented teenagers work together to find and steal the "Cleopatra Emerald" from an unscrupulous dealer and return it to its rightful owner, while a former love of her Uncle Eddie tries to get the gem for herself.

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...

Grace Blakely believed that finding the truth about her mother's murder would finally give her peace, but now she knows that it is only the beginning of the secrets that will dominate her life--and make her a target on Embassy Row in Adria.

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.