The Indus Waters Treaty is considered a key example of India-Pakistan cooperation, but less has been said about its critical influence on state-making in both countries. Rivers Divided reveals the importance of the Indus Basin river system, and thus control over it, for Indian and Pakistani claims to sovereignty after South Asia's Partition in 1947. Securing water flows was a key aim for both governments. In 1960 the Indus Waters Treaty ostensibly settled the dispute, but in fact failed to address critical sources of tension. Examples include the role of water in the Kashmir conflict and the...