Pietrykowski analyses the Macedonian art of war from its development under Philip II, perfection under Alexander the Great, and further adaptation under the Successor States. Focussing on twenty battles spanning the era of Macedonian primacy, we see the evolving just the forces, strategies and tactics employed by Hellenistic generals and gain an understanding of their successes and ultimate failures when facing new foes such as the Romans. Clear diagrams make the action easy to follow.