The Lahawiyin: Identity and History in a Sudanese Arab Tribe. Thesis for the degree of Dr. Ph. – Durham: Durham University, 2010. – 315 p.
The Muslim Brotherhood in Contemporary Egypt Democracy redefined or confined? – Abingdon, Oxon, New York: Routledge, 2012. – 208 p
The Religious Landscape in South Sudan: challenges and opportunities for engagement. — Washington, DC: United States Institute of Peace, 2019. – 44 p
Sudan: A country Study / ed. by LaVerle Berry. – Washington: Federal Division, Library of Congress, 2015. – 490 p
The first Islamist republic: development and disintegration of Islamism in the Sudan / by Abdullahi A. Gallab. – Hampshire, England: Ashgate Publishing Limited, 2008. – 196 p
Country Policy and Information Note Sudan: Opposition to the government, including sur place activity. — London: Home Office, 2018. — 67 p
Su-Dan: Whose Oil? Sudan’s oil industry. Facts and Analysis, April 2008. — Johcommunicatie and IKV Pax Christi, 2008. — 44 p
Scrutiny of South Sudan’s Oil Industry: Community Relations, Labour Practices and Impact on Land Use Patterns. — Utrecht: PAX, 2014. — 61 p
South Sudan within a New Sudan / Policy Seminar Report, Franschhoek, South Africa, 20-21 April 2006. — 50 pp
The Crisis in Darfur: An Analysis of its Origins and Storylines. — Alexandria, Virginia: Virginia Polytechnic Institute, State University, 2004. — 44 pp