The system of exercise, diet, and general mode of living that has made the Mikado's people the healthiest, strongest, and happiest men and women in the world. Contents Chapter I The history of 'Jiu-Jitsu,' with a description of its first principles Chapter II A healthy stomach the basis of all strength-what the Japanese eat in summer and in winter Chapter III Feats that strengthen the heart and lungs-Work that brings the arms to a condition of magnificent development Chapter IV Exercises that develop the legs-The incidental benefit to the arms Chapter V The value of even temper in athletics-Some of the feats that require good nature Chapter VI Water, nature's greatest remedy Chapter VII Fresh air as a vitaliser-The use of stimulants and of narcotics Chapter VIII Extreme leanness and obesity-Their cures Chapter IX Preliminary feats of attack and defence Chapter X Advanced tricks of combat Chapter XI Things that the student can teach himself-How agility is acquired Chapter XII Closing suggestions to American students