Sensei - Tapa dura

Someone is killing the great martial artists of America. Connor Burke, a part-time college instructor with a passion for the martial arts, is dragged into the investigation by the NYPD. With the help of his teacher, the master warrior Yamashita Sensei, Burke begins to follow a trail of clues that stretches across time and place. Ultimately confronting his own fears, his sense of honour, and the ruthless killer who called himself "Ronin" -Japanese for masterless samurai.

John Donohue holds black belts in both Karatedo and Kendo and has studied various Asian martial arts disciplines, such as karate, kendo, judo, aikido, iaido, and taiji, over the past 25 years. A nationally recognized authority on the topic, he is also an associate editor of the Journal of Asian Martial Arts and has written four non-fiction books on the martial arts. In addition, he has been a featured speaker at national and international conventions, as well as on television and radio.