Derek and Julia Parker are two of the most famous and best-selling names in the field of astrology: their Compleat Astrologer introduced thousands to the subject. With this new encyclopedia, they have produced a must-have tool for the professional, student, and amateur astrologer. The Parkers work encompasses everything from the entire history of astrology to its terms and techniques. There s plenty in here for everyone: fascinating facts and anecdotes, biographies of top astrologers, textbook definitions of such phrases as trine aspect, and answers to such questions as: Are Scorpios REALLY sex mad?