The definitive monograph on Wallo Islam — sufi orders, scholarly networks, and the response to Yohannes IV’s 1878 Boru Meda decree. Cited in every serious work on Ethiopian Islam since.
Reconstructs Oromo political and religious history through the long sixteenth and seventeenth centuries, including the Islamization of southern and western Oromo polities.
Companion volume re-reading the medieval Christian-Muslim-Oromo encounter from sources outside the royal Christian chronicle tradition.
Collected ethnographic and historical essays on Hadiya, Sidama, Bale, and the Gurage — territories where the Islamic story is most often left out of Ethiopianist surveys.
Edited volume mapping the post-1991 Muslim revival, identity politics, and reformist currents. The single best entry point for the contemporary period.
Field-based study of how reformist Islam reshaped Oromo religious life in Bale — careful, descriptive, and unusually self-aware about its own categories.
Recovers the Bale insurgency — the longest sustained Muslim political mobilization of the imperial period — from oblivion. Reframes mid-twentieth-century Ethiopian history.
A social history of Massawa — the Red Sea hinge through which scholars, traders, and Sufi orders connected the Ethiopian highlands to Arabia, Egypt, and India.
The standard diplomatic history of the Yohannes IV–Menelik II era — covers the Boru Meda decree, the conquest of Harar (1887), and the imperial subjugation of the Muslim south.
Twentieth-century Saudi-Ethiopian entanglement — pilgrimage, oil, and the politics of recognizing Ethiopian Muslims as a community with foreign ties.