Is it possible to identify the 'essence' of Ottoman kingship? And if so, what were the core motivating principles that governed the dynasty over its 600 year lifespan and how continuous and consistent were they? Following the death of the dynasty's eponymous founder Osman in 1324, 35 successors held the throne. Despite the wide range of character traits, dispositions and personal preferences, they led the expansion, stagnation and eventual collapse of the empire. Rhoades Murphey offers an alternative way of understanding the soul of the empire as reflected in its key ruling institution: the...