This book is a famous ancient Chinese treatise on military policy. Until now, no one has yet managed to formulate the principles of warfare as simply and aphoristically as a person known under the pseudonym Sun Tzu. His work is the main text of the "school of military philosophy," which had a great influence on the entire military art of the East. It teaches the development of strategy, tactics, diplomacy, self-organization, the ability to concentrate on a certain task and successfully solve it, negotiate at any level, shows how you can outwit your opponent and bring what you started to a victorious end. Marshal Karl Gustav Mannerheim and General Axel Airo read this book. It has been translated into many languages ​ ​ and is studied by people of different professions and different statuses.