Amazing Agent Luna, book 3
Nunzio DeFilippis et Christina Weir2006

Luna's undercover life as a high school student and her real life as a secret agent are about to collide. The principal is missing, the gym teacher is on the verge of discovering her secret, Oliver finds himself caught up in sinister doings, and the only one who knows what's really going on is the mysterious bad boy Jonah Von Brucken. Will Luna sort out her two lives before they both come crumbling down?

Titre original : Amazing Agent Luna, book 3 (2006)