Back of the book:
One day you come home from school and find two CIA agents waiting for you. They want you to go to Korea to pose as a student of Tae Kwon Do. Your mission as an undercover agent will be to locate your friend Ling, the girl who taught you Kung Fu in China last year. She's one of the CIA's top agents in the Far East and she's missing. It's an assignment you can't refuse!