Warlords are individuals who control small territories within weak states, using a combination of force and patronage. In this book, Kimberly Marten shows why and how warlords undermine state sovereignty. Unlike the feudal lords of a previous era, warlords today are not state-builders. Instead they collude with cost-conscious, corrupt, or frightened state officials to flout and undermine state capacity. They thrive on illegality, relying on private...