Bansenshukai

Bansenshukai (萬川集海, translated 'Sea of Myriad Rivers Merging') is a collection of ninja knowledge widely regarded as being written by Fujibayashi Sabuji, Fujibayashi Yasutake, or Fujibayashi Yasuyoshi. Written in 1676, it is a culmination of philosophy, military strategy, astrology, and weapons largely taken from Chinese thought.

Contents
The books include:
 * One Volume of Introduction
 * A Question and Answer Section
 * A Table of Contents
 * Two Volumes of Thought and Philosophy
 * Four Volumes on Leadership
 * Three Volumes on Yo
 * Five Volumes on In
 * Two Volumes on Astrology
 * Five Volumes on Weapons

Versions
There are two versions:
 * 1) The Koga Version has twenty-two chapters bound in ten volumes, with an additional one volume attached to it.
 * 2) The Iga Version has twenty-two chapters bound in twelve volumes with an additional four chapters in four volumes attached to it.

Copies
After World War II, a limited number of hand written copies were offered to the public. A few of these copies are in some major national and university libraries. It is no longer in print.