Welcome Barbara, that is great that you have informally been practicing Buddhism throughout your life and that you are practicing with more conviction now. If you are serious about Buddhism I suggest taking a meditation retreat.
Books and teachers are nice but the only real way to travel down the path is by meditation. Taking a treat allows you to learn the technique properly and more importantly it will engrain the technique into your body and mind, providing the structure and base to progress in your daily life.
Here is an organization that offers meditation retreats:http://www.dhamma.org