Danzan-Ryu Essentials provides a handy reference of material derived from the highly popular Danzan-Ryu Jujutsu Hompage and other sources. The book gives the reader access to the highlights of the website in a form that is easily portable to the Dojo or anywhere. The content includes martial techniques, healing techniques, history, people, language and more. This edition has been updated with information as of June 2013.