This publication will really help those who want not only to save their lives and preserve their health, but also to be able to stand up for themselves, for their relatives and friends in a modern aggressive and cruel world. Its pages outline the foundations of the theory and practice of a combat duel, describe and illustrate step by step various methods and methods of self-defense, active and passive types of defense, options for confronting an enemy armed with a knife - both classic and non-traditional.