opening of the book establishes Jomini's focus on the theoretical framework of war, beginning with a preface that outlines the translator's goals and the significance of the original work. Jomini introduces the concept of the "art of war," detailing its multiple components, including strategy, tactics, and logistics. He emphasizes the importance of understanding not just military operations, but also the political context surrounding warfare. Through various articles, he seeks to define different types of wars—such as national wars and wars of opinion—while highlighting the necessity for military leaders to adapt their strategies according to prevailing situations and the morale of their troops. Overall, the beginning lays a solid foundation for understanding the complexities of military engagements, making it apparent that successful warfare combines strategic thought with diplomatic insight. (This is an automatically generated summary.)