edited by Ahmad Mohammad Kani and Kabir Ahmed Gandi.ill., map ; 23 cm."Papers in honour of the Sultan of Sokoto, Alhaji Ibrahim Dasuki CON. LLD. D.Litt."--Added t.p."The publication of the proceedings of the seminar on 'State and politics in the Sokoto Caliphate' organized in honour of the installation of His Eminence Alhaji Ibrahim Dasuki ... as the 18th Sultan of Sokoto, at the Conference Hall of the city campus of Usmanu Danfodiyo University, Sokoto (12-14th March 1990) ... ": (p. i).