Yokota Shihan's fifth book, Karatedo Quantum Leap, revolves around a variety of vital concepts in the sphere of karate. It is a long, informative journey that is enlightening to the core. It begins by explaining the important but rarely addressed budo concept of suemono ni suru and then goes on to answer many other important questions and address other interesting and varied topics such as kuse, the spiral fist, and hado.The book also discusses truths about certain involved subjects and explains them like never before. It addresses the true objective of team kata, gives five improvement hints for senior practitioners, and rethinks the karate fist.This book is a must-have. It is a delight for all those who are associated with karate and a mental shift for all those who are not. It is a prolific exploration of the world of martial arts and of our own selves.