[CaptLego]

I don't know what books to recommend.

But I would suggest that for small-stakes cash NL, a reasonable strategy is NEVER BLUFF. Bluffs may win you a few small pots, but will rarely win a large one. Some of the reasons are:
1) Busting out is not as dire in cash games as it is in tournies, because they can just buy back in.
2) The blinds are trivially small compared to most pots, so bluffing to steal the blinds just gets you basically nothing.
3) The only time the pot gets large is if two or more people actually have something... maybe a good hand, good draw, or at least a weak hand (2nd or 3rd pair). You're not going to bluff those people out of a pot.

Rather than try to bluff, a better strategy is to wait patiently for a strong hand, then over-bet the hell out of it for value. All those people who can't be bluffed will pay you off. Punish them severly for overpaying for draws or staying with week hands. And, if there's an agressive player at your table who likes to bluff, wait until you've got the goods and pick him off. And, once in a while, you will be able to take down a nice pot by out-bluffing a bluffer, but you have to be careful when you pick your spot.