New Yorker staff writer Alexis Okeowo weaves together four narratives of ordinary people doing the extraordinary, forming a powerful tapestry of modern Africa: a young couple, kidnap victims of Joseph Kony's LRA; a Mauritanian waging a lonely campaign against modern-day slavery; a women's basketball team flourishing amid war-torn Somalia; and a vigilante who takes up arms against the extremist group Boko Haram
