To save those he loves, a young Japanese orphan must solve a centuries-old puzzle that holds the secret to untold wealth and power before a mysterious evil uses it to control the world.

"Yin-Yang Code: The Shadow of the Tenkai-Bo captures all the action of ninja master Sho Kosugi in novel form. Code breaking, murder investigations and secret identities abound in this energetic and international tale by Warren Chaney and Sho Kosugi. Once you're on this fun rollercoaster of a ride, you won't want to get off." --Naomi Hirahara, Edgar award-winning mystery author