Admired, followed, criticized, denounced, and rediscovered, "The Development of Underdevelopment" deserves a place among the key documents of postwar radical political economy. More than fifty years on, its ideas still illuminate aspects of recent struggles and shortcomings among left-of-center governments in Latin America. Most importantly, Frank's work poses a bold postcolonial challenge that has yet to be fully met by Latin American scholars and social movements.Click here to purchase a PDF version of this article at the Monthly Review website.