**Les stratagèmes** - a book that has become a classic of military strategy, written by the Roman strategist Frontinus and the legendary general Sextus Julius Frontinus. In this work, the authors describe various tactical techniques and military stratagems that can be used in the fight against the enemy. The book contains many interesting historical examples, as well as recommendations on the organization of troops, the use of intelligence and the principles of psychological warfare. **Les stratagèmes** is an indispensable book for those interested in the military and tactical skills of ancient times.