Douglas H. Johnson is an historian specialising in the history of South Sudan and North East Africa. He is a former academic publisher, archivist, relief worker, and International Expert on the Abyei Boundaries Commission. He has written, edited and co-edited eleven volumes, including Nuer Prophets: A History of Prophecy from the Upper Nile in the Nineteenth and Twentieth Centuries. Currently he is working with the Rift Valley Institute, of which he is a fellow, on the restoration of the South Sudan National Archive.

Introduction
Documents and Texts
1. First contact
2. First military patrol
3. Ngundeng and the Turuk
4. The Nuer and Dinka of the Zeraf valley
5. First visit to the prophet Deng Laka
6. Confirmation of Ngundeng's death
7. Second visit to the prophet Deng Laka
8. Fixing a tribal boundary
9. Attack on Duk Fadiat - 1
10. Attack on Duk Fadiat - 2
11. Tribute collection in the Zeraf valley
12. The death of Macar Diu
13. Intelligence on the Eastern Jikany
14. Intelligence on the Lou Nuer
15. Nuer cattle raids along the Dinka border
16. The Mabaan and the Nuer
17. Pacification of the Eastern Jikany
18. Intelligence on the Western Nuer
19. Contact with the prophet Maani
20. In defence of Guek Ngundeng - 1
21. In defence of Guek Ngundeng - 2
22. Pacification of the Lou Nuer - 1
23. Contact with a Gaawar prophet
24. Dual Diu's attack on a police post - 1
25. Dual Diu's attack on a police post - 2
26. Pacification of the Lou Nuer - 2
27. Capture of the prophet Dual Diu
28. Gaawar views
29. Dinka views
30. Epilogue