This book sets out to re-examine the foundations of Thomas Hobbes's political philosophy, and to develop a Hobbesian normative theory of international relations. Its central thesis is that two concepts - anarchy and authority - constitute the core of Hobbes's political philosophy whose aim is to justify the state. The Hobbesian state is a type of authority (juridical, public, coercive, and supreme) which emerges under conditions of anarchy ('state...