TAPA BLANDA , LIBRO USADO, RECUERDA QUE EL 10% DE ESTA VENTA COLABORA CON FUNDACIONES QUE FOMENTAN LA LECTURA EN ZONAS VULNERABLES. David Mortimore Baxter knows that a kid's life is not easy, so he has put together the perfect self-help book for young people just like him. Read his list of the best excuses to use on grown-ups - but only in emergencies, of course. Proceed with caution!