text: Forget the books, you need to get rid of this guy.  I don't neccessarily perscribe to the idea of "once a cheater always a cheater," but in this case your husband is still talking to this other woman.  It really doesn't matter if they're arguing when they talk..point is..he's not respecting you and your relationship enough to let this other woman go.  Instead of reading books on how to make him stop cheating, start reading books on how to love and respect yourself.  You may find your eyes open quite a bit when you realize how much you're worth!