Civil Wars. London: Polity Press, 2018. Forthcoming

Modern Greece: What everyone needs to know. New York: Oxford University Press, 2015

Order, Conflict, Violence. New York: Cambridge University Press, 2008 (edited with Ian Shapiro and Tarek Massoud)

The Logic of Violence in Civil War. New York: Cambridge University Press, 2006

The Rise of Christian Democracy in Europe. Ithaca: Cornell University Press, 2006

In Greek

Που είμαστε και που πάμε; Διατρέχοντας την κρίση (2009-2016) και ατενίζοντας το μέλλον [Where Are We and Where Are We Going? The Crisis (2009-2016) and the Future]. Athens: Metechmio, 2016

Εμφύλια πάθη. [Civil War Passions] (co-authored with Nikos Marantzidis). Athens: Metechmio, 2015

Καταστροφές και θρίαμβοι. Οι 7 κύκλοι της σύγχρονης ελληνικής ιστορίας [Disasters and Triumphs: The 7 cycles of Modern Greek History]/ Athens: Papadopoulos, 2015

Ανατομία της κρίσης [Anatomy of the Crisis] (co-authored with Thanos Veremis, George Pagoulatos, Theodoros Couloumbis, Loukas Tsoukalis, and Haridimos Tsoukas). Athens: Skai, 2011

Ανορθόδοξοι Πόλεμοι: Μακεδονία, Εμφύλιος, Κύπρος [Irregular Wars: Macedonia, Civil War, Cyprus] (co-edited with Vassilis K. Gounaris and Ioannis Stefanidis). Athens: Patakis, 2010