Okay, this is an awesome book by Ally Carter. It's the third in a series, so don't read it until you've read the other two. The first one is I'd Tell You I Love You, but Then I'd Have to Kill You. The second one is Cross My Heart and Hope to Spy. They are about a girl named Cammie, and she is a spy. A girl spy. She goes to a school for girl spies, but everyone in the town thinks it's just a school for rich girls. There's action, adventure, and LOTS of drama! Read to find out all about how Cammie and her friends survive being girl spies in a chaotic world!