Can you believe it? (Well, yes, you can probably ...)
You can buy publications on Amazon (and only on Amazon) that promote illegal animal fighting.
If this sickens you, you can go here and follow the links (scroll down) to email Amazon and let them know what you think.
If enough people do this, they may pull the plug on commercial grounds - since ethics obviously don't come into it.
Thanks to the ever-vigilant Atyllah for flagging this up.