Friends and TraitorsSome secrets are just too dangerous to know A gripping World War II story about how two girls foil an aristocratic plot to bring down the government and hand the country to the Nazis When Sidney Dashworth's school is evacuated to a huge stately home in the countryside, she thinks she's going to spend the war being very bored. At least her brother must be having fun, flying his Spitfire all over France! But soon Sidney and a housemaid called Nancy