David, what types of pistols are you NOT interested in?
I don't know about books in this area. I'm thinking about buying a .32 "lemonsqueezer", though. My wife and I started Cowboy Action Shooting but have little time to practice with the medley of guns involved, plus she doesn't like shoulder guns (though she shoots a .32 SA Ruger Vaquero well; is even good with her tiny North American Arms .22 Magnum!)
I was thinking it might be simpler to concentrate on the pocket pistol side matches.
Jim