Three good books on the subject of Samurai firearms.>
THE JAPANESE MATCHLOCK Shigeo Sugawa
in English, color printing, 60 pages: $100- A lot of good pictures, I just got a signed copy direct from the author.
http://www.japaneseweapons.net/sonota/hon/english.htm
And another one is >Tanegashima-The Arrival of Europe in Japan [Paperback]
Olof G. Lidin (Author), I found a used paperback copy of this book for around $30 used. No pictures, just a lot of detailed history on the arrival of firearms in Japan.
http://www.amazon.com/Tanegashima-Ar...mm_pap_title_0
Along with> Giving Up the Gun: Japan's Reversion to the Sword, 1543-1879 [Paperback] Noel Perrin
http://www.amazon.com/Giving-Up-Gun-.../dp/0879237732
Which you can buy for around $10
These three books are enough to make you an expert on the subject:thumup: