The Republic of the Sudan was long the largest country in Africa and, according to the general consensus, also one of the least successful in many ways. This was not entirely its fault since it lay along the fault line between Muslim and Christian Africa and between the Nile Valley civilizations and African Sudanic cultures. This partly explains the long and bloody warfare waged by the Southerners to achieve independence, which they did in July 2011. So this hefty book actually covers not one but two states. This fourth edition of the Historical Dictionary of the Sudan does so, first, through...