Modern Strategy is a major contribution to the general theory of strategy;it makes sense of the strategic history of the twentieth century, and providesunderstanding of what that strategic history implies for the century to come.The text offers a comprehensive analysis of the different facets of modernstrategy.The classic writings of Carl von Clausewitz are reconsidered for theircontinuing relevance, while possible successors are appraised. The text probesdeeply into strategy's political, ethical, and cultural dimension and explainshow strategic behaviour in the twentieth century has expanded from thetwo-dimensional world of the land and the surface of the sea, to include theocean depths, the air, space, and most recently the 'cyberspace' environments.It also offers details analyses both of nuclear matters and of the realm ofirregular violence.