From Heraclitus in the sixth century B.C.E. to the twentieth-century philosopher-physicist Werner Heisenberg, intellectuals have struggled to make sense of war and its presence in human society. Yet Christopher Coker contends that philosophers are the ones who created the concept of war, largely by defining its rules and establishing an oppositional dialectic of peace. The Greeks were the first to outline what Blaise Pascal called the "rules of war," and through their description of its "nature," influenced the thinking of contemporary generals and military strategy. Nevertheless, Coker's book focuses less on the philosophical underpinnings of war and more on the particular problems we face while fighting war today. Guided by the work of si...