I am not really competent to take anyone beyond this elementary discussion. There are many postures for sitting and techniques for breathing, focusing and chanting during meditation that are well beyond my level of expertise. In fact, some advanced practitioners have disciplined their bodies so completely that they are actually able to breathe in through one nostril and breathe out through the other. But if you are interested in learning more about meditation, I recommend you use the Internet, the Yellow Pages, or even word of mouth to find a competent instructor who fits your needs.
Meditation is an inexpensive but multifaceted technique that does not compete with religious beliefs, but which can be used effectively to transport most of us into a restful alertness that can result in a fuller, calmer, and more insightful, productive, and meaningful life. Or to put it into a different perspective, think of it this way: Anything that has been around for more than 5,000 years must have something special going for it. Try it, and I think that you will agree.