Roger Beck 
Brief History of Ancient Astrology [PDF ebook] 

A Brief History of Ancient Astrology explores the theory and practice of astrology from Babylon to Ancient Greece and Rome and its cultural and political impact on ancient societies. Discusses the union between early astrology and astronomy, in contrast to the modern dichotomy between science and superstition. Explains the ancient understanding of the zodiac and its twelve signs, the seven planets, and the fixed circle of ’places’ against which the signs and planets revolve. Demonstrates how to construct and interpret a horoscope in the ancient manner, using original ancient horoscopes and handbooks. Considers the relevance of ancient astrology today.