TAPA DURA, LIBRO USADO, RECUERDA QUE EL 10% DE ESTA VENTA COLABORA CON FUNDACIONES QUE FOMENTAN LA LECTURA EN ZONAS VULNERABLES. A corroboration of Peter Wright's espionage allegations against Sir Roger Hollis in the controversial study "Spycatcher" provides new evidence and information that links Hollis, the Director General of MI5, with accusations against him