By turns thrilling, funny and spiritually enlightening, this is the real-life Martial Arts adventure.

Martin Faulks grew up in a Norfolk village. Returning from library with a friend one day they were attacked by a gang of older boys. Martin ran away leaving his friend to be beaten up. He vowed that would never happen again.

He trained in the martial arts in his teens with growing success, he gained his black belt and even won tournaments but he wanted something more. He wanted to train as a Ninja. So started a series of initiations that would take him eventually to being trained by the Dalai Lama's bodyguard and travelling to Japan stay with the Yamabushi, the legendary spiritual teachers of the Ninja, living in the mountains of Japan.