In the fourth book in the New York Times bestselling Spy School series, Ben Ripley enrolls in ski school, where the slopes, and the stakes, get really steep. Thirteen-year-old Ben Ripley is not exactly the best student spy school has ever seen--he keeps flunking Advanced Self Preservation. But outside of class, Ben is pretty great at staying alive. His enemies have kidnapped him, shot at him, locked him in a room with a ticking time bomb, and even tried to blow him up with missiles . And he's survived every time. After all that unexpected success, the CIA has decided to activate Ben for real. The Mission: Become friends with Jessica Shang, the daughter of a suspected Chinese crime boss, and find out all of her father's secrets. Ben might not be able to handle a weapon (or a pair of skis), but he can make friends easy-peasy. That is, until his best friend from home drops in on the trip and jeopardizes the entire mission...