A baron Henry Жомини began a military career in Switzerland, after entered the French army, participated in the Napoleon's hikes, was the chief of staff of marshal Нея, and in 1813 passed to service in the Russian army.In detail examining all aspects, inherent theories and to practice of war, Жомини offers the analysis of strategic problems concomitant to the different theatres and fields of battle actions, tactics of offensive and defensive, unexpected manoeuvres, special operations, pays attention importance of secret service and development of forces, organization of rear and supply, to the role of engineering building and influence on the course of soldiery events of diplomacy.Classic labour of Жомини not only invaluable historical monument but also unsurpassed fundamental research on strategy and tactics of prosecution of war, highly valued by specialists and, undoubtedly, interesting for all, who worries history of development of military idea.