Kostas Dervenis is a martial arts instructor in jujutsu, pammachon, and t’ai chi chuan. He has written four books on the martial arts and martial traditions, including Nei Kung and The Magus of Java under the pen name Kosta Danaos. He lives in Athens, Greece.
Get a FREE e-book by joining our mailing list today!
Plus, receive recommendations and exclusive offers on all of your favorite books and authors from Simon & Schuster.