What is the Art of War written by Qi Jiguang?

Qi Jiguang, a famous anti-Japanese soldier in Ming Dynasty, was an outstanding strategist, calligrapher and poet. He is the author of Ji Xiaoxin's Book 18, Record of Training, and other famous military books 14, and the Collection of the Hall of Governance.

At the same time, Qi Jiguang is an outstanding weapon expert and military engineer. He reformed and invented all kinds of fire weapons. The large and small warships and chariots built made the land and water equipment of the Ming army superior to the enemy; It is a distinctive military project to creatively build a hollow enemy platform on the Great Wall, which can be attacked, retreated and defended.