The product is the 1986 paperback book titled "Mind of the Ninja" by Kirkland Peterson. Written in English, the book falls under the genre of martial arts, specifically focusing on the topic of ninjutsu. It is a valuable resource for those interested in learning about the ancient Japanese martial art form of ninjutsu, offering insights into the philosophy, techniques, and historical significance of the practice. Perfect for martial arts enthusiasts and fans of the ninja tradition, this book provides a comprehensive look at the mind and art of the ninja.