Economic sanctions are intended to be a nonmilitary means used by states to force their prerogatives on other states, entities, and individuals. Yet while sanctions have been increasingly used as a foreign policy tool, they are ineffective if executed without a clear strategy that is responsive to the nature and changing behavior of the target. In The Art of Sanctions, Richard Nephew offers a much-needed practical framework that focuses not just on the design of sanctions but, crucially, on how to decide when sanctions have achieved maximum effectiveness and how to improve them along...