First the book describes what the martial arts are -- that they are not just sports, but also methods of defense and ways to improve one's body and mind. Then the book touches on the history of martial arts -- they began in India and then spread to other parts of Asia. Two martial arts are discussed in detail: Judo (which means "the gentle way"), a type of wrestling that started in Japan; and karate (which also started in Japan), in which a person...