sudan’s REGional RElations 271
Prunier, Gérard. ‘Chad : between Sudan’s blitzkrieg and Darfur’s war’. Open
Democracy, February 19, 2008, http://www.opendemocracy.net/democracy-
africa_democracy/chad_conflict_4538. jsp.
Warburg, Gabriel. Historical Discord in the Nile Valley. London: Northwestern
University Press, 1992. Waterbury, John. The Nile Basin. New Haven: Yale
University Press, 2002.
The Sudan Handbook, edited by John Ryle, Justin Willis, Suliman Baldo and Jok Madut Jok. © 2011 Rift Valley Institute and contributors
(www.riftvalley.net).