Wandering dervishes formed a prominent feature of most Muslim communities well into the modern period, surviving in some regions even today. Shocking in appearance, behavior, and speech, these social misfits were revered by the public, yet denounced by cultural elites. /God's Unruly Friends/ is the first in-depth and comprehensive survey of this enigmatic type of piety, tracing the history of the different dervish groups that roamed the lands. As the definitive appraisal of this neglected topic, /God's Unruly Friends/ will fascinate both scholars of religion and those who seek to challenge and broaden their conception of Islam.