You say you use maya so it should be easy to find tutorials about pretty much any aspect of the program. However, you should narrow down what you want to learn first, do you want to learn hardsurface modeling, animating or focus on rendering? There are also a lot of good tutorials about learning the basics of the program…
As Larry said, you can use control loops, or you can bevel. The rules for controlling your mesh when it deforms are pretty... complex. Are you willing to pay for a tutorial? I know a few good tutorials I could recommend for this sort of stuff. To understand deforming, do the following (if you don't understand how to do…