A comprehensive guidebook covering the basics and techniques of sumo wrestling. Currently, the world of professional sumo appears to be dominated by Hakuho. However, young wrestlers are vying for the top spot. With the dawn of a new era approaching, sumo is also undergoing a generational shift. Through this book, we hope you will broadly and deeply enjoy the dynamism of sumo. From the meaning and history of the dohyo (sumo ring) to the origins of wrestlers' actions and how to read the banzuke (ranking list), everything is thoroughly explained. This book is a complete guide to the national sport of sumo.