The article cites Jake Adelstein and his book "Tokyo Vice", which is a good review of the Yakuza from a western perspective. He also contributes regularly at ht

The article cites Jake Adelstein and his book "Tokyo Vice", which is a good review of the Yakuza from a western perspective. He also contributes regularly at http://www.japansubculture.com/ http://www.japansubculture.com/, which also features a lot of insight.