2014, with Elizabeth Cooper, Ethnographies of Uncertainty in Africa, London: Palgrave Macmillan.
2007, Global Vigilantes: Perspectives on Justice and Violence, Hurst: London.
2007, The Man-Leopard Murders: History and Society in Colonial Nigeria, Edinburgh University Press & Indiana University Press for the International African Institute.
2012, ‘Retroversion, introversion, extraversion: three aspects of African anthropology’, In R. Fardon, O. Harris, Trevor H. J. Marchand, M. Nuttall, C. Shore, V. Strang, & Richard A. Wilson (eds) Sage Handbook of Social Anthropology, London: SAGE, pp. 308-324.
2010, ‘Bodies of power: narratives of selfhood and security in Nigeria’, In Thomas G. Kirsch and Tilo Grätz (eds) Domesticating Vigilantism in Africa, Oxford: James Curry, pp. 118-138.
2007, ‘The 'rugged life': Youth and violence in Southern Nigeria’, In P. Ahluwalia, L. Bethleham and R. Ginio (eds) Violence and Non-violence in Africa, Routledge: London, pp. 84-104.
2007, ‘Singing thieves: history and practice in Nigerian popular justice’, In D. Pratten and A. SenGlobal (eds) Vigilantes: Perspectives on Justice and Violence, Hurst: London, pp. 175-205.
2006, ‘The District Clerk and the ‘Man-Leopard Murders’: mediating law and authority in colonial Nigeria’, In Richard Roberts, B.N. Lawrance and E.L. Osborn (eds) Intermediaries, Interpreters and Clerks: African Employees and the Making of Colonial Africa, University of Wisconsin Press,pp. 220-247.
2005, ‘Conversion, Conquest and the Qua Iboe Mission’, In T. Falola (ed.) Christianity and Social Change in Africa: Essays in Honor of J.D.Y. Peel, Carolina Academic Press: Durham, North Carolina, pp. 413-40.
1995, with Suliman Ali Baldo, ‘Return to the Roots: Processes of Legitimacy in Sudanese Migrant Associations’, In Michael Edwards, David Hulme (eds) Non-Governmental Organisations - Performance and Accountability: Beyond the Magic Bullet, Earthscan: London, pp. 119-129.
2008, ‘Perspectives on Vigilantism in Nigeria’, Africa - Special Issue 78 (1).
2008, ‘Masking Youth: Transformation and Transgression in Annang Performance’, African Arts 41 (1), pp. 44-60.
2008, ‘The thief eats his shame: practice and power in Nigerian vigilantism’, Africa 78 (1).
2007, ‘Mystics and Missionaries: Narratives of the Spirit Movement in Eastern Nigeria’, Social Anthropology 15 (1), pp. 47-70.
2006, ‘The Politics of Vigilance in south-eastern Nigeria’, Development and Change 37 (1), pp. 707-734.
1997, ‘Local Institutional Development and Relief in Ethiopia: A Kire-based Seed Distribution Programme in North Wollo’, Disasters 21 (2), pp. 138-154.
1996, ‘Reconstructing Community: The Intermediary Role of Sahelian Associations in Processes of Migration and Rural Development’, African Rural and Urban Notes 3 (1), 1996, pp. 49-77.
2000, 'Return to the Roots? Urban Networks, Rural Development and Power in Sudan', University of Edinburgh: Edinburgh.
1997, 'Bamako Bound: The Social Organization of Migration in Mali', SOS Sahel International UK: London.