African Violet Society
If you're looking for everything about African violets including which varieties to select, how to grow them, and get expert answers to questions about your plants, check out the Web site of the African Violet Society of America (www.avsa.org). This site has a long list of frequently asked questions and answers. If you don't see an answer to your problem, you can submit a question.
Learn more history about African violets as well as basic topics of plant care, pests, and propagation in the 192-page book African Violets, by Tony Clements (David & Charles, 1994; $15). The best part is the section that uses a handy and easy-to-use reference of common questions and answers.