Martial arts legend Sho Kosugi and renowned author Warren Chaney release book 2 in the Yin-Yang Code series

Yin-Yang Code: Shadow of Tenkai-Bo (Book 2) has been released worldwide from Mindstir Media. The first book in the series, Yin-Yang Code: The Drums of Tenkai-Bo, became the #1 Amazon Best Seller in Japanese History back in December 2017 and has garnered many positive reviews. This latest installment, Yin-Yang Code: Shadow of Tenkai-Bo, is receiving rave reviews as well… 

Naomi Hirahara, Edgar award-winning mystery author, said: “Yin-Yang Code: 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.” 

An Amazon reviewer, Dan Richard, also praised the book: “Picking up where YIN-YANG CODE: THE DRUMS OF TENKAI-BO left off, this second part of legendary ninja movie superstar Sho Kosugi and co-author Warren Chaney’s epic saga amps up the action, intensifies the drama, and dives full on into the mystical world of Japanese history, legends, and deadly warriors… Racing against time to rescue his beloved Jun who has been abducted by the evil Tenkai-Bo and his army of shugenja warriors, Daiki and his friends continue their quest to find the lost treasure of the legendary Japanese monk Kukai, by searching for pieces of a puzzle at the 88 temples of Shikoku… Loaded with exciting martial arts action, numerous mysteries, secret revelations, shocking betrayals, sadistic villains and courageous heroes, YIN-YANG CODE: SHADOW OF TENKAI-BO has it all.” 

Yin-Yang Code: Shadow of Tenkai-Bo (Book 2) – and its Spanish language counterpart CODIGO YIN-YANG: La Sombra de Tenkai-Bo – is available at, and other fine retailers worldwide. Wholesale orders can be placed through Ingram. 

About the authors: 

Sho Kosugi is one of the best known Japanese Martial Artists and actors in the world. Throughout the early 1970s, Sho competed in hundreds of Martial Arts tournaments and demonstrations, acquiring more than 660 trophies and medals including consecutive wins of the official City of Los Angeles’ Karate Champion titles for 1972, 1973 and 1974. 

Sho gained an enormous popularity in the ‘80s and ‘90s, appearing in more than fifteen motion pictures while starring in more than eleven of them. He was cast in leading and guest starring roles in many episodic television shows including The Master with late Lee Van Cleef. Mr. Kosugi’s captivating screen presence assured him of a unique place in the history of Martial Arts’ Cinema. In 2009, a costarring role in Ninja Assassin, earned him considerable praise and critical acclaim. 

Warren Chaney is an American author, filmmaker, artist, behavioral scientist, and pioneer in early television. He holds a Doctorate degree (Behavioral Science & Management), an MBA (Finance), and a Bachelor of Science with a double major (Marketing & Speech and Theatre)

In a wide-ranging career, Dr. Chaney has written 25 books including 5 novels along with 16 screenplays, 9 theatrical dramas, and more than 250 professional and non-professional magazine and journal articles. He has produced 9 feature films and directed 8 in addition to producing and directing numerous television productions including 150 episodes of the pioneering television series, Magic Mansion. His work has received considerable recognition and numerous awards. 

About MindStir Media:

MindStir Media LLC is an award-winning book publisher. To learn more about publishing a book with MindStir Media, visit or call 800-767-0531.

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