text: Грейнджер является автором исследований о национальной обороне и вопросах общественной безопасности, в частности, монографий и статей: National Defence: A Brief History of the Guyana Defence Force, 1965 – 2005; Public Security: Criminal Violence and Policing in Guyana; and Public Policy: The Crisis of Governance in Guyana; Five Thousand Day War: The Struggle for Haiti’s Independence, 1789 – 1804; The British Guiana Volunteer Force, 1948 – 1966; The Guyana National Service, 1974 – 2000; The Guyana People’s Militia, 1976 – 1997; The Queen’s College Cadet Corps, 1889 – 1975; Guyana’s Coinage, 1808 – 2008; The Era of Enslavement, 1638 – 1838; The Village Movement, 1839 – 1889.