Our modern society has brought an abundance of amentities and luxury to us. However, it has also brought obesity , high blood pressure, diabetes and various diseases due to stress of modern life. Only One HAIDONG GUMDO offers a solution to these stresses. Through learning physical training, etiquette, self control, mediation and internal breathing exercises, Only One HAIDONG GUMDO practitioners will learn to improve their physical and mental health. This is the first English book in the series of Only One HAIDONG GUMDO, written by Head Master Jung Il Oh (President of Oceania) and Master Jason Kim (Vice president of Australia), demonstrates the true principle of Haidong Gumdo and basic training skills.