The Palladium Book of Weapons and Castles of the Orient (1984)

Weapons and Castles of the Orient, also known as The Palladium Book of Weapons and Castles of the Orient, is a book designed to be an introduction to the various weapons, armor, and defensive works found in the Oriental culture.

The book contains statistics for weapons and armor to be converted to various gaming systems.

From the publisher:
For use with ANY game system!
A beautiful, little 48 page, comic book sized reference book packed with real world weapons, armor and data. Designed to be easy to use and easy to carry anywhere.
Presents dozens of famous and obscure weapons of Japan, China and the Orient, plus samurai and other armor and several castles complete with floor plan diagrams. ALL illustrated.
The weapons & armor of Japan, China and the rest of the Orient.
Spears, swords, bow and arrow, and other weapons unique to the Orient.
A look at the Samurai, his weapons and armor.
15 different, real world castles. Each illustrated and with a basic floor plan.
Historically accurate.
For use with any game system. Some adaptation required.