Books
Bates, Robert. 2009. Prosperity and Violence: The Political Economy of Development, 2nd Edition. New York: W.W. Norton. ISBN: 978-0-393-93383-3
Cederman, Lars-Erik, Kristian Gleditsch, and Halvard Buhaug. 2013. Inequalities, Grievances, and War. Cambridge University Press.
Chenoweth, Erica and Maria J. Stephan. 2012. Why Civil Resistance Works: The Strategic Logic of Nonviolent Conflict (Columbia Studies in Terrorism and Irregular Warfare) Columbia University Press; Reprint edition ISBN-10: 0231156839; ISBN-13: 978-0231156837.
Fukuyama, Francis. 2011. The Origins of Political Order: From Prehuman Times to the French Revolution. Farrar, Straus and Giroux. ISBN: 978-1846682568
Books (recommended):
Robert Bates. 2008. When Things Fell Apart. State Failure in Late Century Africa. Cambridge University Press.
Russett, Bruce and John Oneal. 2001. Triangulating Peace: Democracy, Interdependence, and International Organizations. London, New York: W.W.Norton.
Wagner, R.H., 2010. War and the State: The Theory of International Politics. University of Michigan Press