In the book an author examines war nature all-round, underlining the decision value of military genius in the end of battle. Clearly and clear expounding importance of war plan, intercommunication of war and politics, strategy and tactics of prosecution of war, including organization of fight, kinds and methods of offensive and defensive, Клаузевиц determines and explains the terms of professional militarese, that gives him a book character excellent certificate guidances. Taking considerable part of book to the estimation of moral factors of prosecution of war, he underlines the necessity of such internalss, as a courage, courage and self-sacrifice, pays attention to importance of army code honour, competitive spirit and public opinion.