Ninja book featuring manga illustrations and pictures of ninjas with English subtitles. Many foreigners learn about ninja from anime "NARUTO" which was published in more than 30 countries across the world, and aired in more than 80 countries. This book features many pictures and manga illustrations for everyone to enjoy. Based on a survey conducted to foreigners asking "What would you like to know about ninjas?", the contents covers secrets of ninjas, weapons, tools as well as historically famous ninjas, and their food, clothing, and housing. Supervised by a leading Ninja study professor, Yuji Yamada.