Yep, back in 2002 the second set of rules we came out with was called Guns & Girls. The cover caused quite the stir back then. So much that I produced a replacement book called...Chain Reaction.
New cover was a target with bullet holes and blood. That was okay.
YOU can download a free copy of it here. Great to see how the mechanics have evolved over 15 years...holy %$#*! 15 years!