What is a border, and why does it exist? Reappraising a key idea from Arnold van Gennep’s Les rites de passage, this book argues that a border is a threshold, a limen, made to be crossed. African Thresholds studies places of passage spanning from the riverine networks of Senegambia to border-making in colonial Gold Coast and Côte d’Ivoire; from the desert roads of central southern Africa t…