Philip Selznick's classic 1949 book, TVA and the Grass Roots: A Study in the Sociology of Formal Organization contributed to his theory of organization. The TVA -- the Tennessee Valley Authority -- was formed to foster recovery from the Great Depression. But its very existence was controversial as it sat uncomfortably between public and private sectors, and between the federal and state levels of government. What were the challenges the TVA faced and how did this story contribute to Selznick’s theory?