A book on-line which explains homeopathy. It was written by a homeopath who is also an Internist. This book can also be purchased in hard copy. It is called Demystifying Homeopathy, by Jacob Mirman, MD.
This web site offers some good basic explanations of homeopathy. You can also find a wide variety of links to other homeopathic web sites from this location. It very clearly addresses some of the issues raised by skeptics. Look closely at the Future of Homeopathy section.
This site has dozens of articles on vaccines from a variety of view points. If you are wondering about vaccines and how they may affect your child, look at this site. Click on the Homeopathy link and read a number of articles on the homeopathic view of vaccinations.