The ninja were the secret agents and assassins of feudal Japan and they remain a subject of enduring fascination. They first arose during the power struggles of 9th and 10th century Japan - where they catered for an increasing demand for spies, informants and assassins - and were used until the mid-1600s when, due to a campaign to destroy them, disappeared.
This fascinating history tells the story of the people of Japan, from ancient teenage priest-queens to teeming hordes of salarymen, a nation that once sought to conquer China, yet also shut itself away for two centuries in self-imposed seclusion