This text presents the fundamentals of aikido in the spirit of Master Ueshiba, the founder of modern aikido and Japan's greatest martial artist. Two hundred photographs show Moriteru demonstrating the classic techniques that made his grandfather's art the world's most popular martial art. At last, the complete and authoritative introduction to all the fundamentals of Aikido, coauthored by the two direct successors to the Founder of the martial art, Morihei Ueshiba. Coauthors Kisshomaru Ueshiba and Moriteru Ueshiba, son and grandson of the Founder, seek to carry on