Amazon.com description: Product Description: Judo calls for balance and careful thought, but it packs in a lot of mat-slamming action, too! Inside, learn about how judo was created and how it has become one of the worlds most popular competitive martial arts. See how to perform key moves such as throws, arm-locks, and wheels. Find out how this ancient art can be a part of anybodys fitness regimen. Mastering any martial art can take long years of practice, but this book and this series will give you an important first step on a rewarding journey.