Introduction : negotiating borders, defining South Sudan / Mareike Schomerus, Lotje de Vries and Christopher Vaughan
Too much water under the bridge : internationalization of the Sudan-South Sudan border and local demands for its regulation / ystein H. Rolandsen
Unclear lines : state and non-state actors in Abyei / Joshua Craze
Pastoralists, conflicts and politics : aspects of South Sudan's Kenyan frontier / Immo Eulenberger
The Nuba political predicament in Sudan(s) : seeking resources beyond borders / Guma Kunda Komey
Alternative citizenship : the Nuer between Ethiopia and the Sudan / Dereje Feyissa
The Rizeigat-Malual borderland during the condominium : the limits of legibility / Christopher Vaughan
Pulling the ropes : convenient indeterminacies and the negotiation of power at Kaya's border checkpoint / Lotje de Vries
State-making and emerging complexes of power and accumulation in the Southern Sudan-Kenyan border area : the rise of a thriving cross-border business network / Anne Walraet
Labour and the making of Central African borders / Edward Thomas
Whatever happened to the "safe havens"? Imposing state boundaries between the Sudanese plains and the Ethiopian highlands / Wendy James.