This book is not only a book on judo, if your a mma, bjj, sambo player this book is a training and education manual with over 100 pages and 700 step by step photos on how to complete each counter/combination for al the throw of the gokyu no waza, that can be used to assist in the knowledge of learning basic judo counters/combination or enhance a students will want to develop their own counters/combinations.