He has also written about World War II and its immediate aftermath. In 1977 he wrote the "Victims of Yalta", which criticised the British forced handover of Soviet citizens to Joseph Stalin in direct violation of the Geneva Conventions. In 1986 he wrote "The Minister and the Massacres" which criticised British repatriation of collaborationist troops to Josip Broz Tito's Yugoslav government, it received much critical praise, as well as criticism by Macmillan's authorised biographer.