This edition is part one of three volumes of the Bansenshukai ninja manual in its original Japanese form, to be used as a compendium with the English translation "The Book of Ninja". The version of the ninja manual used here is the one currently located in the National Archives of Japan and is a transcription of the original from 1676. The original Japanese text found within these pages is a reference for any serious Japanese researcher, ninjutsu student, or martial arts collector. When being used in tandem with the above translation, students will find all the necessary additional information to help them explore the writings of Fujibayashi Yasutake and his ninjutsu curriculum. This is a Japanese language product. Due to the vastness of full Bansenshukai ninja manual it has been divided into three volumes - this is volume one.