Jr. & Robert J. Pauly 
The Ashgate Research Companion to US Foreign Policy [PDF ebook] 

Examining the past, present and future formulation and implementation of US foreign policy, this research companion provides a range of interpretations of the topic so that the reader comes away with a clear knowledge of the academic and policy debates that define the field. The volume focuses on American foreign policy from both historical and political science analytical perspectives and divides into three sections: –