How to Talk So Kids Will Listen & Listen So Kids Will Talk by Adele Faber and Elaine Mazlish - helped me a lot, still does when I have the presence of mind to communicate effectively. I didn't spend a lot of time around kids until I had one, so a lot of this stuff didn't come naturally to me.
That and The Book With No Pictures by BJ Novak. Really fun way to get a kid to be able to enjoy books without the comfort of art on every page. And the first years are the most crucial with regard to being read to.