1 Mapping Networks With these maps, the general can consider how to defend and attack a castle.

For moving the camp, there is a set of principles to follow about the time and the day of moving. The duty of a shinobi is to know exactly the geography of the area and the distance to the enemy.

—Yoshimori Hyakushu #9

Once you get the details and layout of the castle or the camp, all you need to do is get back with it as soon as possible, as that is what a good shinobi should do.

—Yoshimori Hyakushu #24

The very first piece of advice offered in the Bansenshūkai’s “A Guideline for Commanders” is to produce meticulously accurate maps that your generals can use to plan attacks against the enemy.1 Selected poems of the Yoshimori Hyakushu2 also stress ...

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