Strange Birds from Zoroaster's Nest

Are the world's religions related? How does a religion change from its beginnings to its maturity and old age? What would an (imaginary) Martian anthropologists say about earth religions at the beginnin of the 21st century? How can we be on the threshhold of journeys to outer space--yet have millions of people who believe in astrology, tarot, magic, and pray to saints and the Great Mother Goddess? Strange Birds from Zoroaster's Nest tracks revealed religion from its beginning to its troubling role in today's world.