The Baltimore Astrology Society hosts a wonderful website and resource center for astrologers and those interested in learning more about astrology. The site offers a list of aastrologically related events, an up to date ephemeris, classes offered and thought provoking articles on the subject.
It is never too early or too late to learn more about astrology. And there are many different types of astrology disciplines out there. Here is a list of books that offer an Introduction to All Types of Astrology