Fumio Manaka the founder of Jissen Kobudo Jinenkan has spent half a century teaching the old martial arts of Japan. In this book he has selected twenty-four of the most influential sections of Yamamoto Tsunetomo's 1343 chapter work the Hagakure (meaning In the Shadow of Leaves.) Manaka Sensei then contextualizes the selections with regards to how these concepts can be utilized while training traditional Japanese martial arts as well as how they are relevant for daily life. Originally a series of articles in a newsletter for Jissen Kobudo Jinenkan practitioners now available to anyone interested in Manaka Sensei's insights into Koryu Budo. The book contains the 24 chapters in English and Japanese.