TAPA DURA , LIBRO USADO, RECUERDA QUE EL 10% DE ESTA VENTA COLABORA CON FUNDACIONES QUE FOMENTAN LA LECTURA EN ZONAS VULNERABLES. Want to know the best ways to thwart an evil doctor's plans? Or how to go undercover to combat crime, while still making it home in time for dinner? Find out in this jam-packed guide to fighting evil from everyone's favorite platypus, Perry! From top-secret spy tips and fill-in activities, to diagrams of some of Agent P's most elaborate plans, to spy-riffic jokes, to unfinished comic panels for readers to get creative, this hardcover format is sure to be a hit with spies-in-training everywhere! Plus, this format also includes two full-color inserts.