Equal mix of John Von Neumann and game theory with enlightening plunges into the dollar auction, Hofstadter's Luring Lottery, and (of course) prisoner's dilemma and why it's usually difficult to tell what 'game' you're playing until the game is well underway. Most of the discussion revolves around nuclear escalation and the bomb as well as evolutionary stable strategies (Smith and Price, 1972) to describe the Nash equilibrium.