"The book is a readable, terse, theoretically developed treatment of an important episode in African history." --Journal of African History
"It is original and authoritative, certainly the best book we have on the heritage of Umar's conquests." --African History
". . . lucid analysis of a changing jihad society. This study enlarges understanding not only of the Umarian empire but also of the jihad movements generally." --Choice
John Hanson's thoroughly researched study revises late-19th-century colonialist assumptions about a West African Muslim social movement. Using indigenous Arabic manuscripts, travel narratives, and oral materials, Hanson assesses the meaning of a series of revolts against Islamic authority.