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?