Take a look at schools like New Horizons or your local community college. If the subject you desire is available, I would highly recommend the community education path. There are, of course many ways to skin this cat, if you don't mind a disgustingly un-vegetarian metaphor. This is a good solution for some folks, but remember that it takes about a year from authorship to book store shelf and in that time many things will change. Electronic information technology moves very rapidly.
New software is released before the old software even has a chance to dry.
There are also videos and CD-ROM learning programs that are very good. Everybody has a media that makes them comfortable. Now that you have developed some basic skills with your computer and the Internet, using your local community education classes, let's leverage this new knowledge to continue your computing education to the next level. There are going to be a lot of things that you may want to learn that are not available through community education, but that are readily available on the Internet. On-line education has become very popular because it meets a variety of legitimate needs.