Noel Tyl [ no-el' til ] is one of the foremost astrologers in the world. His thirty-three textbooks have led the teaching of astrologers for two generations. Tyl wrote the comprehensive professional manual for the field the 1,000-page text Synthesis & Counseling in Astrology which put astrology securely in pace with the most sophisticated disciplines of humanistic studies extant today. As well, most recently, he has written Vocations: The New Midheaven Extension Process , a much-needed guide that will forever change the process of astrological vocational counseling.