On the Heavenly Spheres

Thousands of years ago, people first observed a correlation between the heavenly bodies and events on Earth. Out of these early observations and subsequent refinements came what today is known as astrology.
For most of these millennia, astrologers used only the seven visible planets: Sun, Moon, Mercury, Venus, Mars, Jupiter and Saturn. It is out of this tradition that Helena Avelar and Luis Ribeiro have written this extensive book on astrology. The rules and principles here presented apply ...